CVE-2026-6726 json
An information leakage vulnerability in the TCG TPM 2.0 reference code.
published 2026-08-11 2 mo ago modified 2026-10-24 15 d ago also EUVD-2026-56224
- cvss
- 7.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 8%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- libtpms Debian 14, Debian 13, Debian 12 0.9.1-1
debian advisories DEBIAN-CVE-2026-6726
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 mo ago
Exploit prediction
0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.9 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N |
| CNA | 3.1 | 7.9 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N |
Affected products
- Trusted Computing Group TPM2.0
Classification
- Weakness
-
- CWE-704 Incorrect Type Conversion or Cast
References
Sources
- CVE List CVE-2026-6726
- NVD CVE-2026-6726
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