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Vulnerabilities

Vulnerability · CVE-2026-6923

A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.

Published May 14, 2026 · catalog updated Jun 17, 2026 · A side-channel attack, which

Check if you run it

No confirmed exploitation is on record for CVE-2026-6923. EPSS is 0.16%. Act only if a listed version of A side-channel attack, which is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A side-channel attack, which).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low3.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Not established
Affected products
See sources for product scope

A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-6923

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-6923. EPSS is 0.16%. Act only if a listed version of A side-channel attack, which is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-1300. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 14, 2026 · NIST NVD

    Detected

    A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.

Sources

  • CVE.orgVulnerability recordCVE-2026-6923

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-6923

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-6923

    A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.