CVE-2026-27921
Windows TDI Translation Driver (tdx.sys) Elevation of Privilege Vulnerability
CVSS Score
7.0
EPSS Score
0.0%
EPSS Percentile
0th
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
| Vendor | microsoft |
| Product | windows 10 version 1607 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Apr 14, 2026 |
| Last Updated | Apr 16, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Windows 10 Version 1607
10.0.14393.0 < 10.0.14393.9060
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 11 version 26H1
10.0.28000.0 < 10.0.28000.1836
Microsoft / Windows Server 2012
6.2.9200.0 < 6.2.9200.26026
Microsoft / Windows Server 2012 (Server Core installation)
6.2.9200.0 < 6.2.9200.26026
Microsoft / Windows Server 2012 R2
6.3.9600.0 < 6.3.9600.23132
Microsoft / Windows Server 2012 R2 (Server Core installation)
6.3.9600.0 < 6.3.9600.23132
Microsoft / Windows Server 2016
10.0.14393.0 < 10.0.14393.9060
Microsoft / Windows Server 2016 (Server Core installation)
10.0.14393.0 < 10.0.14393.9060
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