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Vulnerabilities CVE-2026-20885

CVE-2026-20885

High
Open
TLP:CLEAR

AI Analysis

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Description

Improper authentication in the Intel(R) TDX module for some Intel(R) platforms within Ring 0: Trust Domain may allow an information disclosure and escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. 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 (high), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (low), integrity (low) and availability (none) impacts.

Details

CVSS Score
7.0
EPSS Score
0.15%

4.5th percentile

CVSS Vector
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
Confidence
90%
Published
Aug 11, 2026
Last Modified
Aug 12, 2026
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