CVE-2026-20705: Insecure storage of sensitive information in the Intel(R) TDX module for some Intel(R) platform within Ring 0:

Q: How do I fix CVE-2026-20705?

tdx module: upgrade to newer than 2.0.16. Exact commands for each OS are on this page.

Q: Is CVE-2026-20705 being exploited?

CVE-2026-20705 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-20705 affect?

CVE-2026-20705 affects tdx module. Severity is medium (CVSS 5.3). 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 a

Q: How urgent is CVE-2026-20705?

Priority 19/100. No elevated risk signals yet.

Routine

MEDIUM 5.3UPGRADE

CVE-2026-20705 is a medium-severity flaw (CVSS 5.3) affecting tdx module. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 vulnera

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-922
Published	2026-08-11
Last modified	2026-08-31

Publisher (CNA): Intel Corporation · Vendor: intel

Last updated 2026-08-31 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-11 17:17 UTCPublished CVE record published
2026-08-31 16:32 UTCUpdated Record last modified

intel tdx module UPGRADE

Affected: <= 1.5.28 · <= 2.0.16

Fixed in: newer than 2.0.16

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Advisories and coverage

Official advisories

Google Cloud Security Bulletins: GCP-2026-053 2026-10-26

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-20705?

tdx module: upgrade to newer than 2.0.16. Exact commands for each OS are on this page.

Is CVE-2026-20705 being exploited?

CVE-2026-20705 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-20705 affect?

CVE-2026-20705 affects tdx module. Severity is medium (CVSS 5.3). 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 a

How urgent is CVE-2026-20705?

Priority 19/100. No elevated risk signals yet.

Software pages

Intel vulnerabilities

Related CVEs

CVE-2026-20775 MEDIUM 5.3 UPGRADE Uncaught exception for some Intel(R) TDX modules within Ring 0: Trust Domain may allow a denial of service
CVE-2026-20885 HIGH 7.2 UPGRADE Improper authentication in the Intel(R) TDX module for some Intel(R) platforms within Ring 0: Trust Domain may

References

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