High MSRC-CVE-2026-33116 1 CVE

.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

Published Apr 14, 2026 · Updated Apr 14, 2026

Vendor: Microsoft

Summary

Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

Security updates
10.0.6 — https://support.microsoft.com/help/5086095
8.0.26 — https://support.microsoft.com/help/5086096
9.0.15 — https://support.microsoft.com/help/5086097
4.8.4801.0 — https://support.microsoft.com/help/5082411
4.8.4801.0 — https://support.microsoft.com/help/5082403
2.0.50727.9068 & 3.0.30729.9065 & 4.8.4801.0 — https://support.microsoft.com/help/5082414
2.0.50727.9181 & 3.0.30729.9165 & 4.8.4801.0 — https://support.microsoft.com/help/5082427
2.0.50727.9181 & 3.0.30729.9165 & 4.8.4801.0 — https://support.microsoft.com/help/5082426
2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0 — https://support.microsoft.com/help/5082413
4.8.4801.0 — https://support.microsoft.com/help/5082400
4.7.4141.0 — https://support.microsoft.com/help/5082402
2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0 — https://support.microsoft.com/help/5082425
2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0 — https://support.microsoft.com/help/5082419
2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0 — https://support.microsoft.com/help/5082424
2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0 — https://support.microsoft.com/help/5082417
2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0 — https://support.microsoft.com/help/5082418
2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0 — https://support.microsoft.com/help/5082420
2.0.50727.8982 & 3.0.30729.8976 — https://support.microsoft.com/help/5082398
2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0 — https://support.microsoft.com/help/5082421

Vulnerabilities 1

High 7.5

CVE-2026-33116

.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

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

Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Microsoft .NET Framework 3.5 AND 4.7.2 Microsoft .NET Framework 3.5 AND 4.8 Ubuntu Alpine Wolfi NuGet

Apr 14, 2026

Revision history

2026-04-14 #1
Information published.

References

CVE-2026-33116 .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33116
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss