CVE-2026-62909 Uncaught exception in .NET allows an authorized attacker to elevate privileges locally

Description

Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.

Affected products and versions

Product	Affected versions	Fixed in
.NET 10.0 10.0	10.0.0 → < 10.0.11	10.0.11
.NET 8.0 8.0	8.0.0 → < 8.0.30	8.0.30
.NET 9.0 9.0	9.0.0 → < 9.0.19	9.0.19
Microsoft Visual Studio 2022 version 17.14 17.14	17.14.0 → < 17.14.38	17.14.38
Microsoft Visual Studio 2026 version 18.8 18.0	18.0 → < 18.8.3	18.8.3
.NET 10.0 runtime 10.0	10.0.0 → < 10.0.11	10.0.11
.NET 8.0 runtime 8.0	8.0.0 → < 8.0.30	8.0.30
.NET 9.0 runtime 9.0	9.0.0 → < 9.0.19	9.0.19

Other CVEs of .NET 10.0

The 70 CVEs of .NET 10.0 →

CVE-2026-105016 Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network 9.8 Critical CVE-2026-58280 Uncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network 7.5 High CVE-2026-96957 Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature… 8.8 High CVE-2026-96233 Out-of-bounds write in ASP.NET Core allows an unauthorized attacker to deny service over a network 7.5 High