Elevation of Privilege Vulnerability in .NET Software by Microsoft
CVE-2026-69806

7HIGH

Key Information:

Vendor

Microsoft
Status
.net 10.0
.net 11.0
.net 9.0
Microsoft Visual Studio 2022 Version 17.14
Vendor
CVE Published:
8 September 2026

What is CVE-2026-69806?

This vulnerability in .NET allows an authorized attacker to elevate privileges locally, leading to potential exposure of sensitive information. Attackers exploiting this weakness may gain unauthorized access to critical system resources, increasing the risk of further exploits. Organizations using affected versions should install patches provided by Microsoft to mitigate these security risks.

Affected Version(s)

.NET 10.0 10.0.0 < 10.0.111, 10.0.400

.NET 11.0 11.0.0 < 11.0 RC1

.NET 9.0 9.0.0 < 9.0.317

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.