Critical EPSS 0.09996 2019-07 archive

Executive Summary

A remote code execution vulnerability exists in .NET software when the software fails to check the source markup of a file. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of .NET Framework. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. The security update addresses the vulnerability by correcting how .NET Framework checks the source markup of a file.

Overview

Critical
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Jul 9 2019
Last Updated Jul 9 2019
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.09996 — 0.95006 percentile

EPSS Score

0.09996
probability of exploitation in the next 30 days
0.95006 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

95 affected products
Product KB Article Severity Impact Restart Required
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems 4507419 (Security Update) 4507419 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems 4507419 (Security Update) 4507419 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 4507419 (Security Update) 4507419 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) 4507419 (Security Update) 4507419 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems 4507419 (Security Update) 4507419 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems 4507419 (Security Update) 4507419 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems 4506991 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems 4506991 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 4507419 (Security Update) 4507419 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) 4507419 (Security Update) 4507419 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation) 4506991 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems 4507458 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems 4507458 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems 4507460 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems 4507460 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems 4507450 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems 4507450 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems 4507455 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems 4507455 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems 4507435 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems 4507435 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5 on Windows Server 2016 4507460 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation) 4507460 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5 on Windows Server, version 1803 (Server Core Installation) 4507435 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows RT 8.1 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems 4507458 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems 4507458 (Security Update) Critical Remote Code Execution Yes
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems 4506986 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems 4506986 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems 4506987 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems 4506986 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems 4506988 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems 4506986 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems 4506989 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems 4506989 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows RT 8.1 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows Server 2016 4506986 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) 4506986 (Security Update) Critical Remote Code Execution Maybe
Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation) 4506989 (Security Update) Critical Remote Code Execution Maybe
Microsoft Visual Studio 2017 Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Critical Remote Code Execution Maybe
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Critical Remote Code Execution Maybe
Microsoft Visual Studio 2019 version 16.0 Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Critical Remote Code Execution Maybe
Microsoft Visual Studio 2019 version 16.1 Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Critical Remote Code Execution Maybe

Patches

17 patches
Article Type Restart
4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 Monthly Rollup Maybe
4507419 (Security Update) 4507419 Security Update Maybe
4506991 Security Update Maybe
4507458 Security Update Yes
4507460 Security Update Yes
4507450 Security Update Yes
4507455 Security Update Yes
4507435 Security Update Yes
4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 Monthly Rollup Maybe
4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 Monthly Rollup Maybe
4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 Monthly Rollup Maybe
4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 Monthly Rollup Maybe
4506986 Security Update Maybe
4506987 Security Update Maybe
4506988 Security Update Maybe
4506989 Security Update Maybe
Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes Security Update Maybe

Known Exploits

Acknowledgments

Saif El-Sherei of Microsoft Corporation