CVE-2026-20775

medium

Description

Uncaught exception for some Intel(R) TDX modules within Ring 0: Trust Domain may allow a denial of service. System software adversary with a privileged user combined with a high complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (high) impacts.

References

https://docs.cloud.google.com/support/bulletins/index#gcp-2026-053

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01436.html

Details

Source: Mitre, NVD

Published: 2026-08-11

Updated: 2026-08-31

Risk Information

CVSS v2

Base Score: 3.7

Vector: CVSS2#AV:L/AC:H/Au:M/C:N/I:N/A:C

Severity: Low

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H

Severity: Medium

CVSS v4

Base Score: 6.8

Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Severity: Medium

EPSS

EPSS: 0.00102