Important CVSS 7.5 EPSS 0.01088 2026-04 archive

Executive Summary

Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.

Overview

7.5
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Denial of Service
Released Apr 14 2026
Last Updated Apr 14 2026
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01088 — 0.60955 percentile
NVD CVSS 7.5 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
None
INTEGRITY
None
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.5

EPSS Score

0.01088
probability of exploitation in the next 30 days
0.60955 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

58 affected products
Product KB Article Severity Impact Restart Required
.NET 10.0 installed on Linux 5086095 (Security Update) Important Denial of Service Maybe
.NET 10.0 installed on Mac OS 5086095 (Security Update) Important Denial of Service Maybe
.NET 8.0 5086096 (Security Update) Important Denial of Service Maybe
.NET 8.0 installed on Linux 5086096 (Security Update) Important Denial of Service Maybe
.NET 8.0 installed on Mac OS 5086096 (Security Update) Important Denial of Service Maybe
.NET 8.0 installed on Windows 5086096 (Security Update) Important Denial of Service Maybe
.NET 9.0 installed on Linux 5086097 (Security Update) Important Denial of Service Maybe
.NET 9.0 installed on Mac OS 5086097 (Security Update) Important Denial of Service Maybe
.NET 9.0 installed on Windows 5086097 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems 5082413 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems 5082413 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems 5082413 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems 5082414 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for ARM64-based Systems 5082414 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems 5082414 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit Systems 5082426 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based Systems 5082426 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for x64-based Systems 5082426 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for 32-bit Systems 5082426 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based Systems 5082426 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based Systems 5082426 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 5082427 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation) 5082427 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for 32-bit Systems 5082419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for ARM64-based Systems 5082419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for x64-based Systems 5082419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for 32-bit Systems 5082419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for ARM64-based Systems 5082419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for x64-based Systems 5082419 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for ARM64-based Systems 5082424 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for x64-based Systems 5082424 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for ARM64-based Systems 5082424 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 23H2 for x64-based Systems 5082424 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for ARM64-based Systems 5082420 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 24H2 for x64-based Systems 5082420 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for ARM64-based Systems 5082417 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 25H2 for x64-based Systems 5082417 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 26H1 for ARM64-based Systems 5082421 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 26H1 for x64-based Systems 5082421 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 5082425 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 (Server Core installation) 5082425 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) 5082418 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025 5082417 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025 (Server Core installation) 5082417 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 5082398 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) 5082398 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 R2 5082398 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) 5082398 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 5082400 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) 5082400 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 5082402 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) 5082402 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems 5082411 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems 5082411 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 5082403 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) 5082403 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 R2 5082403 (Security Update) Important Denial of Service Maybe
Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) 5082403 (Security Update) Important Denial of Service Maybe

Patches

19 patches
Article Type Restart
5086095 Security Update Maybe
5086096 Security Update Maybe
5086097 Security Update Maybe
5082413 Security Update Maybe
5082414 Security Update Maybe
5082426 Security Update Maybe
5082427 Security Update Maybe
5082419 Security Update Maybe
5082424 Security Update Maybe
5082420 Security Update Maybe
5082417 Security Update Maybe
5082421 Security Update Maybe
5082425 Security Update Maybe
5082418 Security Update Maybe
5082398 Security Update Maybe
5082400 Security Update Maybe
5082402 Security Update Maybe
5082411 Security Update Maybe
5082403 Security Update Maybe

Known Exploits

Acknowledgments

Ludvig Pedersen