CVE-2026-25167 — HIGH (7.4)

Q: What is CVE-2026-25167?

CVE-2026-25167 is a vulnerability with a CVSS score of 7.4 (HIGH). Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

Q: How severe is CVE-2026-25167?

CVE-2026-25167 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-25167?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1, Microsoft Windows Server 2025.

Vulnerability Description

Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

CVSS Score

7.4

HIGH

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 11 24H2	< 10.0.26100.7979
Microsoft	Windows 11 25H2	< 10.0.26200.7979
Microsoft	Windows 11 26H1	< 10.0.28000.1719
Microsoft	Windows Server 2025	< 10.0.26100.32463

Related Weaknesses (CWE)

CWE-416

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25167Vendor Advisory

FAQ

What is CVE-2026-25167?

CVE-2026-25167 is a vulnerability with a CVSS score of 7.4 (HIGH). Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

How severe is CVE-2026-25167?

CVE-2026-25167 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-25167?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1, Microsoft Windows Server 2025.