CVEvulnerability
CVE-2026-20817
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-01-13
- Last modified
- 2026-07-30
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-280
Description
Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
Affected configurations
• microsoft windows 10 21h2 (< 10.0.19044.6809)
• microsoft windows 10 22h2 (< 10.0.19045.6809)
• microsoft windows 11 23h2 (< 10.0.22631.6491)
• microsoft windows 11 24h2 (< 10.0.26100.7623)
• microsoft windows 11 25h2 (< 10.0.26200.7623)
• microsoft windows server 2022 (< 10.0.20348.4648)
• microsoft windows server 2022 23h2 (< 10.0.25398.2092)
• microsoft windows server 2025 (< 10.0.26100.32230)
Related
Weakness · CWE (1)
- CWE-280 Improper Handling of Insufficient Permissions or Privileges weakness
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20817 Vendor Advisory
- https://www.vicarius.io/vsociety/posts/cve-2026-20817-detection-script-eop-vulnerabilit-in-windows-error-reporting www.vicarius.io
- https://www.vicarius.io/vsociety/posts/cve-2026-20817-mitigation-script-eop-vulnerability-in-windows-error-reporting www.vicarius.io