CVE-2026-6726 Affecting libtpms package, versions <0.9.1-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published12 Aug 2026
- disclosed11 Aug 2026
Introduced: 11 Aug 2026
NewCVE-2026-6726 (opens in a new tab)How to fix?
Upgrade Debian:unstable libtpms to version 0.9.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libtpms package and not the libtpms package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2026-6726
- https://trustedcomputinggroup.org/resource/errata-for-tpm-library-specification-2-0/
- https://trustedcomputinggroup.org/wp-content/uploads/Extended-vrt0010-11-guidance_V1.pdf
- https://trustedcomputinggroup.org/wp-content/uploads/VRT0010-Advisory_Final-1.pdf