CVE-2026-20765

Medium

Description

Incorrect comparison for some Intel(R) 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 potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (low) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

SeverityMedium
CVSS4.2
Exploit probability—
ProductIntel Trust Domain Extensions Guest
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-697CWE-697

How to fix

Update
  • intel trust_domain_extensions_guest0.3.1 or later

Affected products

ProductAffected versionsFixed in
intel trust_domain_extensions_guestv < 0.3.10.3.1

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CVE-2026-20765 · Intel Trust Domain Extensions Guest · Dark Radar