Description

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

INFO

Published Date :

2026-03-10T17:04:43.369Z

Last Modified :

2026-04-22T18:55:21.048Z

Source :

microsoft
AFFECTED PRODUCTS

The following products are affected by CVE-2026-24291 vulnerability.

Vendors Products
Microsoft
  • Windows 10 1607
  • Windows 10 1809
  • Windows 10 21h2
  • Windows 10 21h2
  • Windows 10 22h2
  • Windows 10 22h2
  • Windows 11 22h3
  • Windows 11 23h2
  • Windows 11 23h2
  • Windows 11 24h2
  • Windows 11 24h2
  • Windows 11 25h2
  • Windows 11 25h2
  • Windows 11 26h1
  • Windows 11 26h1
  • Windows Server 2012
  • Windows Server 2012 (server Core Installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (server Core Installation)
  • Windows Server 2016
  • Windows Server 2016 (server Core Installation)
  • Windows Server 2019
  • Windows Server 2019 (server Core Installation)
  • Windows Server 2022
  • Windows Server 2022, 23h2 Edition (server Core Installation)
  • Windows Server 2022 23h2
  • Windows Server 2025
  • Windows Server 2025 (server Core Installation)
  • Windows Server 23h2
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-24291.

URL Resource
https://github.com/mdsecactivebreach/RegPwn cve-icon
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24291 cve-icon cve-icon
https://www.mdsec.co.uk/2026/03/rip-regpwn/ cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact