CVE-2026-24291

Windows Accessibility Infrastructure (ATBroker.exe) Elevation of Privilege Vulnerability

State: Published
Severity: 7.8 High
Published: Mar 10, 2026
Updated: Jun 19, 2026
Reserved: Jan 21, 2026

Description

Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	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	microsoft

Weaknesses

CWE-732 Incorrect Permission Assignment for Critical Resource

Affected Products

Product	Versions
Windows 10 Version 1607Microsoft	10.0.14393.0 to before 10.0.14393.8957Affected
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.8511Affected
Windows 10 Version 21H2Microsoft	10.0.19044.0 to before 10.0.19044.7058Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.7058Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.6783Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.6783Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.8037Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.8037Affected
Windows 11 version 26H1Microsoft	10.0.28000.0 to before 10.0.28000.1719Affected
Windows Server 2012Microsoft	6.2.9200.0 to before 6.2.9200.25973Affected
Windows Server 2012 (Server Core installation)Microsoft	6.2.9200.0 to before 6.2.9200.25973Affected
Windows Server 2012 R2Microsoft	6.3.9600.0 to before 6.3.9600.23074Affected
Windows Server 2012 R2 (Server Core installation)Microsoft	6.3.9600.0 to before 6.3.9600.23074Affected
Windows Server 2016Microsoft	10.0.14393.0 to before 10.0.14393.8957Affected
Windows Server 2016 (Server Core installation)Microsoft	10.0.14393.0 to before 10.0.14393.8957Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.8511Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.8511Affected
Windows Server 2022Microsoft	10.0.20348.0 to before 10.0.20348.4893Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.2207Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.32522Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.32522Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.