trust domain extensions guest vulnerabilities and fixes
Recent CVEs affecting trust domain extensions guest, with upgrade or downgrade steps. 2 tracked.
Also searched as: trustdomainextensionsguest.
trust domain extensions guest has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-08-11. Highest priority: CVE-2026-20765 (score 20/100).
- CVE-2026-20765 MEDIUM 4.2 UPGRADE Incorrect comparison for some Intel(R) TDX Guest software before version 0.3.1 within Ring 3: User Application
- CVE-2026-20763 MEDIUM 4.2 UPGRADE Incorrect calculation for some Intel(R) TDX Guest software before version 0.3.1 within Ring 3: User Applicatio
FAQ
How do I fix trust domain extensions guest vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is trust domain extensions guest being exploited right now?
None of the tracked trust domain extensions guest CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which trust domain extensions guest CVE should I patch first?
CVE-2026-20765 currently ranks highest (20/100): Incorrect comparison for some Intel(R) TDX Guest software before version 0.3.1 within Ring 3: User Application.