How severe is CVE-2026-6923?

CVE-2026-6923 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over physical access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-6923 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6923?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-6923 have an EU (EUVD) identifier?

Yes. CVE-2026-6923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30328.

When was CVE-2026-6923 published?

CVE-2026-6923 was published on 2026-05-14 and last updated on 2026-06-17.

CVE-2026-6923

CVE-2026-6923 is a low-severity vulnerability with a CVSS 3.x base score of 3.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1300.

Key facts

Severity: Low (CVSS 3.x base score 3.8)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30328
Weakness: CWE-1300
Published: 2026-05-14
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2026-6923?: CVE-2026-6923 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over physical access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-6923 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-6923?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-6923 have an EU (EUVD) identifier?: Yes. CVE-2026-6923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30328.
When was CVE-2026-6923 published?: CVE-2026-6923 was published on 2026-05-14 and last updated on 2026-06-17.

References

https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0

Other CWE-1300 vulnerabilities

CVE-2026-11153 — Critical (CVSS 9.1): Side-channel information leakage in Forms in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak…
CVE-2026-14085 — Medium (CVSS 6.5): Side-channel information leakage in CSS in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak…
CVE-2026-14074 — Medium (CVSS 6.5): Side-channel information leakage in WebAuthentication in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote…
CVE-2026-14071 — Medium (CVSS 6.5): Side-channel information leakage in WebAudio in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak…
CVE-2026-13935 — Medium (CVSS 6.5): Side-channel information leakage in ComputePressure in Google Chrome prior to 150.0.7871.47 allowed a remote attacker…
CVE-2026-13922 — Medium (CVSS 6.5): Side-channel information leakage in Paint in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak…

Browse all CWE-1300 vulnerabilities →