CVE-2026-62909

.NET Elevation of Privilege Vulnerability

Published Aug 11, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-9mr8-pwpw-3j2w Microsoft Security Advisory CVE-2026-62909 – .NET Elevation of Privilege Vulnerability
History
Type Values Removed Values Added
First Time appeared Microsoft microsoft Visual Studio 2022
Microsoft microsoft Visual Studio 2026
Vendors & Products Microsoft microsoft Visual Studio 2022
Microsoft microsoft Visual Studio 2026
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft windows
CPEs cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft windows
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-248
Type Values Removed Values Added
Weaknesses CWE-252
Type Values Removed Values Added
Description Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
Title .NET Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft .net
Microsoft visual Studio 2022
Microsoft visual Studio 2026
Weaknesses CWE-248
CPEs cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft .net
Microsoft visual Studio 2022
Microsoft visual Studio 2026
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}