CVE-2026-33116

HIGH

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

Title source: cna
STIX 2.1

Description

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

References (21)

Core 21
Core References
Vendor Advisory vendor-advisory patch
.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33116

Scores

CVSS v3 7.5
EPSS 0.0214
EPSS Percentile 80.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20 CWE-400 CWE-776 CWE-835
Status published
Products (19)
microsoft/.net 10.0.0 - 10.0.6
Microsoft/.NET 10.0 10.0.0 - 10.0.6
Microsoft/.NET 8.0 8.0 - 8.0.26
Microsoft/.NET 8.0 8.0.0 - 8.0.26
Microsoft/.NET 9.0 9.0.0 - 9.0.15
microsoft/.net_framework 3.5
microsoft/.net_framework 4.7.2
microsoft/.net_framework 4.6.2
microsoft/.net_framework 4.7
microsoft/.net_framework 4.7.1
... and 9 more
Published Apr 14, 2026
Tracked Since Apr 14, 2026