CVE-2026-26132
Windows Kernel Elevation of Privilege Vulnerability
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
| Vendor | microsoft |
| Product | windows 10 version 21h2 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Mar 10, 2026 |
| Last Updated | Apr 14, 2026 |
Stay Ahead of the Next One
Get instant alerts for microsoft windows 10 version 21h2
Be the first to know when new high vulnerabilities affecting microsoft windows 10 version 21h2 are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Windows 10 Version 21H2
10.0.19044.0 < 10.0.19044.7058
Microsoft / Windows 10 Version 22H2
10.0.19045.0 < 10.0.19045.7058
Microsoft / Windows 11 version 22H3
10.0.22631.0 < 10.0.22631.6783
Microsoft / Windows 11 Version 23H2
10.0.22631.0 < 10.0.22631.6783
Microsoft / Windows 11 Version 24H2
10.0.26100.0 < 10.0.26100.8037
Microsoft / Windows 11 Version 25H2
10.0.26200.0 < 10.0.26200.8037
Microsoft / Windows 11 version 26H1
10.0.28000.0 < 10.0.28000.1719
Microsoft / Windows Server 2022
10.0.20348.0 < 10.0.20348.4893
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.0 < 10.0.25398.2207
Microsoft / Windows Server 2025
10.0.26100.0 < 10.0.26100.32522
Microsoft / Windows Server 2025 (Server Core installation)
10.0.26100.0 < 10.0.26100.32522