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CVE-2026-6726

7.9 · HIGH

An information leakage vulnerability was reported in the TCG TPM 2.0 reference code that could allow a local attacker with elevated privileges to obtain a credential from a TPM-aware CA for a falsi…

Published Aug 11, 2026CWE-704EPSS 0.19%

Overview

CVE-2026-6726 is a high-severity vulnerability. It was published on August 11, 2026 and has a CVSS 3.1 base score of 7.9 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.9, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

An information leakage vulnerability was reported in the TCG TPM 2.0 reference code that could allow a local attacker with elevated privileges to obtain a credential from a TPM-aware CA for a falsified TPM key (such as an Attestation Key, DevID Key or TLS authentication key) and falsify other TPM 2.0 attestations with this key. See also TCG VRT0010.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reftrustedcomputinggroup.org/resource/errata-for-tpm-library-specification-2-0/Reftrustedcomputinggroup.org/wp-content/uploads/Extended-vrt0010-11-guidance_V1.pdfReftrustedcomputinggroup.org/wp-content/uploads/VRT0010-Advisory_Final-1.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2026-6726?

CVE-2026-6726 is a high-severity vulnerability. It was published on August 11, 2026 and has a CVSS 3.1 base score of 7.9 (HIGH).

How severe is CVE-2026-6726?

This vulnerability has a CVSS 3.1 base score of 7.9, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-6726?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-6726?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-6726 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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