CVE-2025-62626

CVE-2025-62626 is a high-severity vulnerability with a CVSS 4.0 base score of 7.2. 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-333.

Key facts

Description

Improper handling of insufficient entropy in the AMD CPUs could allow a local attacker to influence the values returned by the RDSEED instruction, potentially resulting in the consumption of insufficiently random values.

Frequently asked questions

What is CVE-2025-62626?
Improper handling of insufficient entropy in the AMD CPUs could allow a local attacker to influence the values returned by the RDSEED instruction, potentially resulting in the consumption of insufficiently random values.
How severe is CVE-2025-62626?
CVE-2025-62626 has a CVSS 4.0 base score of 7.2, rated high severity.
Is CVE-2025-62626 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-62626?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-62626 have an EU (EUVD) identifier?
Yes. CVE-2025-62626 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198505.
When was CVE-2025-62626 published?
CVE-2025-62626 was published on 2025-11-21 and last updated on 2026-06-17.

References