CVE-2026-26181 — Race Condition in Microsoft Windows 11 Version 22h3

CWE-362 — Race ConditionCWE-416 — Use After Free3 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 83.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Microsoft Windows 11 Version 22h3Microsoft Windows 11 Version 23h2Microsoft Windows 11 Version 24h2+3 more
Timeline
PublishedApr 14

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.32690
▶CVEListV5microsoft/windows_11_version_22h310.0.22631.0 — 10.0.22631.6936
▶CVEListV5microsoft/windows_11_version_23h210.0.22631.0 — 10.0.22631.6936
▶CVEListV5microsoft/windows_11_version_24h210.0.26100.0 — 10.0.26100.8246
▶CVEListV5microsoft/windows_11_version_25h210.0.26200.0 — 10.0.26200.8246

🔴Vulnerability Details

2
CVEList
Microsoft Brokering File System Elevation of Privilege Vulnerability↗2026-04-14
▶
GHSA
GHSA-55g2-jw6p-6xg8: Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally↗2026-04-14
▶
CVE-2026-26181 — Race Condition in Microsoft | cvebase