CVE-2025-21326: Microsoft Windows Server 2022 23h2

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Internet Explorer Remote Code Execution Vulnerability

Affected products

• Microsoft Windows Server 2022 23h2: before 10.0.25398.1369 (fixed in 10.0.25398.1369)
• Microsoft Windows Server 2025: before 10.0.26100.2894 (fixed in 10.0.26100.2894)

Published 2025-01-14. Last modified 2026-06-17.