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MSRC compact vulnerability detail

CVE-2026-24291 · Windows Accessibility Infrastructure (ATBroker.exe) Elevation of Privilege Vulnerability

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

Severity
Important
Impact
Elevation of Privilege
CVSS
7.8 base · 6.8 temporal
Release
2026-03-10
Signals
Windows Accessibility Infrastructure (ATBroker.exe) Elevation of Privilege Exploited: No Publicly disclosed: No Exploitability: Exploitation More Likely
CWE
CWE-732: Incorrect Permission Assignment for Critical Resource
Patch Diff
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Description
Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.
FAQ / Articles
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Windows Accessibility Infrastructure (ATBroker.exe) Elevation of Privilege Vulnerability
Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.
Windows Accessibility Infrastructure (ATBroker.exe) Elevation of Privilege Vulnerability
Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.