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Vulnerability record · CVE-2026-20705 · published 11 August 2026

CVE-2026-20705: Intel tdx module vulnerability

Intel · Tdx Module

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.

6.8 CVSS 4.0 Medium EPSS 0.11% · top 99.0% CWE-922 · CWE-922
6.8CVSS 4.0 base score
0.11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
31 Aug 2026Last modified by NVD

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:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.5CVE-2024-39283Intel tdx module vulnerabilityIncomplete filtering of special elements in Intel(R) TDX module software before version TDX_1.5.01.00.592 may allow an authenticated user to potentia…EPSS 0.18%8.3CVE-2024-21801Intel tdx module vulnerabilityInsufficient control flow management in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a privileged user to potentially ena…EPSS 0.18%8.2CVE-2023-45745Intel tdx module improper input validation vulnerabilityImproper input validation in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a privileged user to potentially enable escalat…EPSS 0.38%7.0CVE-2026-20885Intel tdx module improper authentication vulnerabilityImproper authentication in the Intel(R) TDX module for some Intel(R) platforms within Ring 0: Trust Domain may allow an information disclosure and es…EPSS 0.15%6.8CVE-2026-20775Intel tdx module vulnerabilityUncaught exception for some Intel(R) TDX modules within Ring 0: Trust Domain may allow a denial of service. System software adversary with a privileg…EPSS 0.10%6.7CVE-2023-47855Intel tdx module improper input validation vulnerabilityImproper input validation in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a privileged user to potentially enable escalat…EPSS 0.37%5.7CVE-2024-33607Intel tdx module out-of-bounds read vulnerabilityOut-of-bounds read in some Intel(R) TDX module software before version TDX_1.5.07.00.774 may allow an authenticated user to potentially enable inform…EPSS 0.13%

Source: NIST National Vulnerability Database (record CVE-2026-20705), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.