7.2
HIGH CVSS 4.0
CVE-2025-62626
AMD RDSEED Entropy Vulnerability
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.

INFO

Published Date :

Nov. 21, 2025, 6:52 p.m.

Last Modified :

Nov. 21, 2025, 6:52 p.m.

Remotely Exploit :

No

Source :

AMD
Affected Products

The following products are affected by CVE-2025-62626 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 HIGH b58fc414-a1e4-4f92-9d70-1add41838648
Solution
Update AMD microcode to address insufficient entropy issues with RDSEED instruction.
  • Apply microcode updates from AMD.
  • Verify system entropy generation.
  • Monitor system for cryptographic weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-62626 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.2
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