AMD Ryzen Master vulnerabilities

3 CVEs affecting AMD Ryzen Master, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-0465, published 2026-08-11.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-40677, published 2026-06-12. High severity, CVSS 7.7. EPSS: 0.5% chance of exploitation in the next 30 days. The use of insecure HTTP transport within AMD optional tools could allow an attacker to conduct a man-in-the-middle attack, potentially leading to arbitrary code execution.
• CVE-2025-54512, published 2026-08-11. High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days. A DLL hijacking vulnerability within the AMD Ryzen Master installation could allow a local user-privileged attacker to escalate privileges, potentially resulting in arbitrary code execution.
• CVE-2026-0465, published 2026-08-11. Medium severity, CVSS 5.6. EPSS: 0.2% chance of exploitation in the next 30 days. A Use‑After‑Free (UAF) vulnerability in the AMD Ryzen™ Master Utility Driver could allow a local attacker to access kernel memory, potentially resulting in loss of availability