An information leakage vulnerability in the TCG TPM 2.0 reference code.
Priority LOW 36CWE-704Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-704 and the CVSS impact.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00192 8th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Trusted Computing Group | TPM2.0 | up to v184 | — | No fix listed | CNA |
- TPM2.0 VendorTrusted Computing Group Affected up to v184 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-6726
- 2026-10-03 Alias added: GHSA-72rq-994p-w2hw
References
More Trusted Computing Group vulnerabilities
- TI-2023-00962 TPM2.0 vulnerable to out-of-bounds write CVSS 3.1HIGH 7.8
- TI-2012-00643 tcsd in TrouSerS before 0.3.10 allows remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.0
- TI-2023-00963 TPM2.0 vulnerable to out-of-bounds read CVSS 3.1MEDIUM 5.5
- TI-2018-04880 An issue was discovered that affects all producers of BIOS firmware who make a certain… CVSS 3.0HIGH 7.1
- TI-2020-16360 Trusted Computing Group (TCG) Trusted Platform Module Library Family 2.0 Library… CVSS 3.1HIGH 7.2
- TI-2025-02519 Out-of-Bounds read vulnerability in TCG TPM2.0 reference implementation CVSS 3.1MEDIUM 6.6
Sources
- CVE-2026-6726 · CVE Program
- CVE-2026-6726 · NVD
- FIRST EPSS
- GHSA-72rq-994p-w2hw · GitHub Advisory Database · CC BY 4.0
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