Incorrect calculation in Intel Trust Domain Extensions (TDX) module - CVE-2026-20763
Published: August 19, 2026
Vulnerability identifier: #VU144247
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20763
CWE-ID: CWE-682
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local administrator to escalate privileges on the system.
The vulnerability exists due to incorrect calculation, which leads to security restrictions bypass and privilege escalation.
Affected software
Intel Trust Domain Extensions (TDX) module
How to mitigate CVE-2026-20763
Install updates from vendor's website.
Intel Trust Domain Extensions (TDX) module - update to 0.3.1