CVE-2026-21239
Windows Kernel Elevation of Privilege Vulnerability
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
10th
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
| Vendor | microsoft |
| Product | windows 10 version 1607 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Feb 10, 2026 |
| Last Updated | Apr 10, 2026 |
Stay Ahead of the Next One
Get instant alerts for microsoft windows 10 version 1607
Be the first to know when new high vulnerabilities affecting microsoft windows 10 version 1607 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 1607
10.0.14393.0 < 10.0.14393.8868
Microsoft / Windows 10 Version 1809
10.0.17763.0 < 10.0.17763.8389
Microsoft / Windows 10 Version 21H2
10.0.19044.0 < 10.0.19044.6937
Microsoft / Windows 10 Version 22H2
10.0.19045.0 < 10.0.19045.6937
Microsoft / Windows 11 version 22H3
10.0.22631.0 < 10.0.22631.6649
Microsoft / Windows 11 Version 23H2
10.0.22631.0 < 10.0.22631.6649
Microsoft / Windows 11 Version 24H2
10.0.26100.0 < 10.0.26100.7840
Microsoft / Windows 11 Version 25H2
10.0.26200.0 < 10.0.26200.7840
Microsoft / Windows Server 2012
6.2.9200.0 < 6.2.9200.25923
Microsoft / Windows Server 2012 (Server Core installation)
6.2.9200.0 < 6.2.9200.25923
Microsoft / Windows Server 2012 R2
6.3.9600.0 < 6.3.9600.23022
Microsoft / Windows Server 2012 R2 (Server Core installation)
6.3.9600.0 < 6.3.9600.23022
Microsoft / Windows Server 2016
10.0.14393.0 < 10.0.14393.8868
Microsoft / Windows Server 2016 (Server Core installation)
10.0.14393.0 < 10.0.14393.8868
Microsoft / Windows Server 2019
10.0.17763.0 < 10.0.17763.8389
Microsoft / Windows Server 2019 (Server Core installation)
10.0.17763.0 < 10.0.17763.8389
Microsoft / Windows Server 2022
10.0.20348.0 < 10.0.20348.4773
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.0 < 10.0.25398.2149
Microsoft / Windows Server 2025
10.0.26100.0 < 10.0.26100.32370
Microsoft / Windows Server 2025 (Server Core installation)
10.0.26100.0 < 10.0.26100.32370