Vulnerability Report

CVE-2026-24291

Title: Incorrect permission assignment in Windows Accessibility Infrastructure (ATBroker.exe)

Arbitrary File Access

Proof Of Concept

PoC Available for CVE-2026-24291

CWE Category CWE-732
Published Date Mar 10, 2026
Modified Date Mar 19, 2026
Exploit Status Available
Score 7.8 CVSS v3.1
Exploit Probability (EPSS)
3.24%

Vulnerability Summary

CVE-2026-24291: Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.

Impacted Vendors

M
microsoft 14

Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24291
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-24291 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/lennertdefauw/CVE-2026-24291
View Code
GitHub https://github.com/n0isegat3/RegPwnBRc4BOF
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.