Vulnerability · Published May 13, 2026 · Assigned by AMD
CVE-2025-61972
High 8.5
In plain English
A high-severity security flaw in AMD EPYC™ 8004 Series Processors from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 4.0)8.5High
Exploit odds (30 days)0.1%top 97.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network (SMN) access, potentially resulting in arbitrary code execution in AMD Secure Processor (ASP) and loss of the SEV-SNP guest's confidentiality and integrity.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD EPYC™ 9004 Series Processors | see references |
| AMD | AMD EPYC™ 9005 Series Processors | see references |
| AMD | AMD EPYC™ 8004 Series Processors | see references |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") | see references |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") | see references |
| AMD | AMD EPYC™ Embedded 8004 Series Processors | see references |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | see references |
Weakness: CWE-1233 · Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N