7
/ 10
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Basic Information
ID
CVE-2026-21221
Source
microsoft
Published
Jan 13, 2026 at 17:56
Modified
Jan 13, 2026 at 18:04
Affected Product
Vendor
Microsoft
Product
Windows Server 2025 (Server Core installation)
Version
10.0.26100.0
Affected Versions
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0
Microsoft Windows 11 Version 25H2 10.0.26200.0
Microsoft Windows 11 Version 24H2 10.0.26100.0
Microsoft Windows Server 2025 10.0.26100.0
Microsoft Windows 11 Version 25H2 10.0.26200.0
Microsoft Windows 11 Version 24H2 10.0.26100.0
Microsoft Windows Server 2025 10.0.26100.0