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Vulnerability record · CVE-2025-62626 · published 21 November 2025

CVE-2025-62626: Improper handling of insufficient entropy in the AMD CPUs could allow a local attacker to influence the values…

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.

7.2 CVSS 4.0 High EPSS 0.17% · top 94.3% CWE-333 · CWE-333 Deferred
7.2CVSS 4.0 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7055.html

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Source: NIST National Vulnerability Database (record CVE-2025-62626), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.