Vulnerability · NVD
CVE-2026-20817
HIGH 7.8
Windows Error Reporting Service Elevation of Privilege Vulnerability
EPSS
0.10%
exploit very unlikely
percentile 27.7%
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.
- Windows Fixed in Windows Server 2025 (Server Core installation) 10.0.26100.32230 Windows Server 2025 10.0.26100.32230 Windows Server 2022 (Server Core installation) 10.0.20348.4648 Windows Server 2022 10.0.25398.2092 Windows 11 25H2 · 2025-H2 10.0.26200.7623 Windows 11 24H2 · 2024-H2 10.0.26100.7623 Windows 11 23H2 · 2023-H2 10.0.22631.6491 Windows 10 22H2 · 2022-H2 10.0.19045.6809 Windows 10 21H2 · 2021-H2 10.0.19044.6809