Vulnerability details

CVE-2025-49693

Microsoft Windows 11Microsoft Windows Server

Microsoft Brokering File System Elevation of Privilege Vulnerability

CVSS 3.1
7.8High

Official description

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

CVSS scores

ScoreVersionSourceVector
7.8High 3.1 CVEProject cvelistV5 (CNA) (microsoft) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

VendorProductVersionsSource
Microsoft Windows 11 Version 24H2 10.0.26100.0 ≤ v < 10.0.26100.4652 CVEProject cvelistV5 (CNA)
Microsoft Windows 11 version 22H2 10.0.22621.0 ≤ v < 10.0.22621.5624 CVEProject cvelistV5 (CNA)
Microsoft Windows 11 version 22H3 10.0.22631.0 ≤ v < 10.0.22631.5624 CVEProject cvelistV5 (CNA)
Microsoft Windows 11 version 23H2 10.0.22631.0 ≤ v < 10.0.22631.5624 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ≤ v < 10.0.25398.1732 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2025 10.0.26100.0 ≤ v < 10.0.26100.4652 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ≤ v < 10.0.26100.4652 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2025-07-08
Last updated
2026-02-13
State
Published
Assigner (CNA)
microsoft

Exploit prediction (EPSS)

0.43%
Probability of exploitation in 30 days
37.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-415
    Double Free