CVE-2026-20765

Intel TDX Guest software vulnerable before version 0.3.1 due to an incorrect comparison in Ring 3. A privileged user with local access and no user interaction may escalate privileges via a low-complexity attack, potentially impacting confidentiality, integrity and availability at a low level. Aff...

CVE-2026-20765

Incorrect comparison for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentiall...

EUVD-2026-56491

Incorrect comparison for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentiall...

EUVD-2026-56490

Incorrect calculation for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potential...

CVE-2026-20763

Incorrect calculation for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potential...

PT-2026-70297

Incorrect comparison for some IntelR TDX Guest software before version 0.3.1 within Ring 3: User Applications may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentiall...

Intel® TDX Guest Software Advisory

Summary: Potential security vulnerabilities for some Intel® Trust Domain Extensions Intel® TDX Guest software may allow escalation of privilege. Intel is releasing software updates to mitigate these potential vulnerabilities. Vulnerability Details: CVEID: CVE-2026-20763 Description: Incorrect...