Denial of Service Vulnerability in .NET Framework and Visual Studio
CVE-2026-33116

7.5HIGH

Key Information:

Vendor

Microsoft
Status
.net 10.0
.net 8.0
.net 9.0
Microsoft .net Framework 3.5
Vendor
CVE Published:
14 April 2026

What is CVE-2026-33116?

A vulnerability exists in .NET Framework and Visual Studio that allows unauthorized attackers to cause a denial of service through an infinite loop condition. This can lead to network disruption, potentially impacting availability for users. Applying the latest security updates is essential to protect against this vulnerability.

Affected Version(s)

.NET 10.0 10.0.0 < 10.0.6

.NET 8.0 8.0 < 8.0.26

.NET 8.0 8.0.0 < 8.0.26

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.