CVE-2026-20930
Windows Management Services Elevation of Privilege Vulnerability
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
| Vendor | microsoft |
| Product | windows 10 version 1809 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Apr 14, 2026 |
| Last Updated | Apr 16, 2026 |
Stay Ahead of the Next One
Get instant alerts for microsoft windows 10 version 1809
Be the first to know when new high vulnerabilities affecting microsoft windows 10 version 1809 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:H/PR:L/UI:N/S:C/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 1809
10.0.17763.0 < 10.0.17763.8644
Microsoft / Windows 10 Version 21H2
10.0.19044.0 < 10.0.19044.7184
Microsoft / Windows 10 Version 22H2
10.0.19045.0 < 10.0.19045.7184
Microsoft / Windows 11 version 22H3
10.0.22631.0 < 10.0.22631.6936
Microsoft / Windows 11 Version 23H2
10.0.22631.0 < 10.0.22631.6936
Microsoft / Windows 11 Version 24H2
10.0.26100.0 < 10.0.26100.8246
Microsoft / Windows 11 Version 25H2
10.0.26200.0 < 10.0.26200.8246
Microsoft / Windows Server 2019
10.0.17763.0 < 10.0.17763.8644
Microsoft / Windows Server 2019 (Server Core installation)
10.0.17763.0 < 10.0.17763.8644
Microsoft / Windows Server 2022
10.0.20348.0 < 10.0.20348.5020
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.0 < 10.0.25398.2274
Microsoft / Windows Server 2025
10.0.26100.0 < 10.0.26100.32690
Microsoft / Windows Server 2025 (Server Core installation)
10.0.26100.0 < 10.0.26100.32690