High severity7.8NVD Advisory· Published Jan 13, 2026· Updated May 26, 2026
CVE-2026-20817
CVE-2026-20817
Description
Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1010.0.19044.0+ 1 more
- (no CPE)range: 10.0.19044.0
- (no CPE)range: 10.0.19045.0
- Microsoft/Windows 11 version 22H3v5Range: 10.0.22631.0
- Range: 10.0.22631.0
- Range: 10.0.26100.0
- Range: 10.0.26200.0
- Range: 10.0.20348.0
- Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5Range: 10.0.25398.0
- Range: 10.0.26100.0
- Microsoft/Windows Server 2025 (Server Core installation)v5Range: 10.0.26100.0
Patches
Vulnerability mechanics
References
3News mentions
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