Severity
CRITICAL
CVSS
9.9
EPSS
0.01157
Risk score
40.0
CISA KEV
No
PoC
No
Published
2025-10-14
Modified
2026-02-26
First seen
2026-08-07
Aliases
EUVD-2025-34378, GHSA-MFJV-RXWV-54MP
Products
Microsoft:Windows 10 Version 1809 10.0.17763.0 <10.0.17763.7919, Microsoft:Windows 10 Version 21H2 10.0.19044.0 <10.0.19044.6456, Microsoft:Windows 10 Version 22H2 10.0.19045.0 <10.0.19045.6456, Microsoft:Windows 11 Version 23H2 10.0.22631.0 <10.0.22631.6060, Microsoft:Windows 11 Version 24H2 10.0.26100.0 <10.0.26100.6899, Microsoft:Windows 11 Version 25H2 10.0.26200.0 <10.0.26200.6899, Microsoft:Windows 11 version 22H2 10.0.22621.0 <10.0.22621.6060, Microsoft:Windows 11 version 22H3 10.0.22631.0 <10.0.22631.6060, Microsoft:Windows Server 2019 (Server Core installation) 10.0.17763.0 <10.0.17763.7919, Microsoft:Windows Server 2019 10.0.17763.0 <10.0.17763.7919, Microsoft:Windows Server 2022 10.0.20348.0 <10.0.20348.4294, Microsoft:Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 <10.0.25398.1913, Microsoft:Windows Server 2025 (Server Core installation) 10.0.26100.0 <10.0.26100.6899, Microsoft:Windows Server 2025 10.0.26100.0 <10.0.26100.6899
Sources