CVE-2025-49677

Microsoft Brokering File System Elevation of Privilege Vulnerability

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

Affected

Microsoft · Windows 11 version 22H2

CVSS v3.1 MICROSOFT

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

EPSS

1.12% chance of exploitation in the next 30 days, 66th percentile

Published

2025-07-08

Updated

2026-02-13

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/52360

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49677

References

• CVE Record
• NVD entry