CVE-2026-69806

.NET Elevation of Privilege Vulnerability

State: Published
Severity: 7.0 High
Published: Sep 8, 2026
Updated: Oct 31, 2026
Reserved: Aug 3, 2026

Description

Exposure of sensitive information to an unauthorized actor in .NET allows an authorized attacker to elevate privileges locally.

Scores

CVSS	Score	Vector	Source
3.1	7.0 High	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
.NET 10.0 runtimeMicrosoft	10.0.0 to before 10.0.12Affected
.NET 11.0 runtimeMicrosoft	11.0.0 to before 11.0 RC1Affected
.NET 9.0 runtimeMicrosoft	9.0.0 to before 9.0.20Affected
Microsoft Visual Studio 2022 version 17.14Microsoft	17.14.0 to before 17.14.40Affected
Microsoft Visual Studio 2026 version 18.9Microsoft	18.9.0 to before 18.9.3Affected

References

.NET Elevation of Privilege Vulnerabilityvendor-advisorypatch

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