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Medium 4.6Published Aug 11, 2026

CVE-2026-20763Incorrect calculation for some Intel(R) TDX Guest software before version 0.3.1 within Ring 3: User Applications may allow an escalation of privilege.

Updated under an hour ago ()

Does this affect you?

It affects intel trust_domain_extensions_guest. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Incorrect calculation 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.

CVSS
4.6 MEDIUM (v4.0, CNA)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
Weakness (CWE)
CWE-682
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
intel
NVD analysis
Analyzed
Record last updated
Aug 12, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
intel trust_domain_extensions_guest
intel:trust_domain_extensions_guest
before 0.3.1
NVD

References

  • vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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