File Path Manipulation Vulnerability in .NET by Microsoft
CVE-2026-69805

7.5HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Visual Studio 2022 Version 17.14
Microsoft Visual Studio 2026 Version 18.9
Microsoft.diagnostics.runtime
Vendor
CVE Published:
8 September 2026

What is CVE-2026-69805?

This vulnerability in .NET enables an unauthorized attacker to manipulate file names or paths, leading to potential privilege escalation over a network. Exploiting this flaw could allow an adversary to execute unauthorized actions, compromising the integrity and security of affected systems.

Affected Version(s)

Microsoft Visual Studio 2022 version 17.14 17.14.0 < 17.14.40

Microsoft Visual Studio 2026 version 18.9 18.9.0 < 18.9.3

Microsoft.Diagnostics.Runtime 4.1.740301

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.