Important CVSS 7.8 EPSS 0.00714 2021-01 archive

Executive Summary

None

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Jan 12 2021
Last Updated Jan 12 2021
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00714 — 0.48807 percentile

CVSS Vector

ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 6.8

EPSS Score

0.00714
probability of exploitation in the next 30 days
0.48807 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

32 affected products
Product KB Article Severity Impact Restart Required
Microsoft Visual Studio 2015 Update 3 4584787 (Security Update) Important Elevation of Privilege 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) Release Notes (Security Update) Important Elevation of Privilege Maybe
Microsoft Visual Studio 2019 version 16.0 Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Important Elevation of Privilege Maybe
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Important Elevation of Privilege Maybe
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Important Elevation of Privilege Maybe
Microsoft Visual Studio 2019 version 16.8 Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Important Elevation of Privilege Maybe
Windows 10 for 32-bit Systems 4598231 (Security Update) Important Elevation of Privilege Yes
Windows 10 for x64-based Systems 4598231 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for 32-bit Systems 4598243 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1607 for x64-based Systems 4598243 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1803 for 32-bit Systems 4598245 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1803 for ARM64-based Systems 4598245 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1803 for x64-based Systems 4598245 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for 32-bit Systems 4598230 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for ARM64-based Systems 4598230 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1809 for x64-based Systems 4598230 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for 32-bit Systems 4598229 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for ARM64-based Systems 4598229 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 1909 for x64-based Systems 4598229 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 2004 for 32-bit Systems 4598242 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 2004 for ARM64-based Systems 4598242 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 2004 for x64-based Systems 4598242 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 20H2 for 32-bit Systems 4598242 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 20H2 for ARM64-based Systems 4598242 (Security Update) Important Elevation of Privilege Yes
Windows 10 Version 20H2 for x64-based Systems 4598242 (Security Update) Important Elevation of Privilege Yes
Windows Server 2016 4598243 (Security Update) Important Elevation of Privilege Yes
Windows Server 2016 (Server Core installation) 4598243 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 4598230 (Security Update) Important Elevation of Privilege Yes
Windows Server 2019 (Server Core installation) 4598230 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 1909 (Server Core installation) 4598229 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 2004 (Server Core installation) 4598242 (Security Update) Important Elevation of Privilege Yes
Windows Server, version 20H2 (Server Core Installation) 4598242 (Security Update) Important Elevation of Privilege Yes

Patches

8 patches
Article Type Restart
4584787 Security Update Maybe
Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes (Security Update) Release Notes Security Update Maybe
4598231 Security Update Yes
4598243 Security Update Yes
4598245 Security Update Yes
4598230 Security Update Yes
4598229 Security Update Yes
4598242 Security Update Yes

Known Exploits

Acknowledgments

@afang5472 ) and Zhiniang Peng (@edwardzpeng) of Sangfor Lights Lab