CVE-2026-35433

HIGH

Microsoft .NET - Local Privilege Escalation

Title source: manual
STIX 2.1

Description

Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
.NET Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433

Scores

CVSS v3 7.3
EPSS 0.0004
EPSS Percentile 12.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-190 CWE-20
Status published
Products (17)
Microsoft/.NET 10.0 10.0.0 - 10.0.8
Microsoft/.NET 8.0 8.0.0 - 8.0.27
Microsoft/.NET 9.0 9.0.0 - 9.0.16
Microsoft/Microsoft .NET Framework 3.5 3.5.0 - 4.8.9334.0 and 4.8.4802.0
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 - 4.8.9334.0 and 4.8.4802.0
Microsoft/Microsoft .NET Framework 3.5 AND 4.8 4.8.0 - 4.8.9334.0 and 4.8.4802.0
Microsoft/Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 - 4.8.9334.0 and 4.8.4802.0
Microsoft/Microsoft .NET Framework 4.8 4.8.0 - 4.8.9334.0 and 4.8.4802.0
nuget/Microsoft.WindowsDesktop.App.Runtime.win-arm64 10.0.0 - 10.0.8NuGet
nuget/Microsoft.WindowsDesktop.App.Runtime.win-arm64 8.0.0 - 8.0.27NuGet
... and 7 more
Published May 12, 2026
Tracked Since May 12, 2026