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CVE-2026-20705: Information Disclosure in Intel(R) platform

0
Medium
VulnerabilityCVE-2026-20705cvecve-2026-20705
Published: 08/11/2026 (08/11/2026, 16:25:14 UTC)
Source: CVE Database V5
Product: Intel(R) platform

Description

Insecure storage of sensitive information in the Intel(R) TDX module for some Intel(R) platform within Ring 0: Trust Domain may allow information disclosure. System software adversary with a privileged user combined with a high complexity attack may enable data exposure. 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 (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (none) and availability (none) impacts.

CVSS v4.0

Score 6.8medium

Attack Vector
Local
Attack Complexity
High
Attack Requirements
Present
Privileges Required
High
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
High
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

Affected software

Intel(R) platform

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/12/2026, 00:28:28 UTC

Technical Analysis

This vulnerability concerns insecure storage of sensitive information in the Intel(R) TDX module on certain Intel(R) platforms within Ring 0: Trust Domain. A system software adversary with privileged user rights and high attack complexity may disclose sensitive data locally without user interaction or special internal knowledge. The vulnerability affects confidentiality but does not impact integrity or availability. No patch or remediation level is currently indicated, and no known exploits are reported in the wild.

Potential Impact

The vulnerability primarily impacts the confidentiality of the affected system by potentially exposing sensitive information stored insecurely in the Intel TDX module. There is no impact on system integrity or availability. Exploitation requires local privileged access and a high complexity attack, limiting the likelihood of exploitation.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been indicated at this time.

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Technical Details

Data Version
5.2
Assigner Short Name
intel
Date Reserved
2025-12-18T04:00:20.251Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a7b5466bf8831d539106825

Added to database: 08/11/2026, 16:57:10 UTC

Last enriched: 08/12/2026, 00:28:28 UTC

Last updated: 09/25/2026, 01:47:41 UTC

Views: 29

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