Elevation of Privilege in Microsoft Brokering File System
CVE-2026-25167

7.4HIGH

Key Information:

Vendor

Microsoft
Status
Windows 11 Version 24h2
Windows 11 Version 25h2
Windows 11 Version 26h1
Windows 11 Version 26h1
Vendor
CVE Published:
10 March 2026

What is CVE-2026-25167?

A vulnerability in Microsoft Brokering File System has been identified, allowing unauthorized users to gain elevated privileges locally through a use-after-free condition. This security flaw can lead to potential system compromise, making it essential for users to apply the latest security patches provided by Microsoft to mitigate risks.

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Affected Version(s)

Windows 11 Version 24H2 ARM64-based Systems 10.0.26100.0 < 10.0.26100.8037

Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.8037

Windows 11 Version 26H1 10.0.28000.0 < 10.0.28000.1719

References

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

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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