CVE-2026-0465 PUBLISHED

Assigner: AMD
Reserved: 06.12.2025 Published: 11.08.2026 Updated: 11.08.2026

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

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 5.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	High	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	AMD
Product	AMD Ryzen™ Master
Versions	Default: affected Version 3.1.1.5502 is unaffected

Vendor	AMD
Product	AMD Ryzen™ Master Monitoring SDK
Versions	Default: affected Version 3.1.1.5478 is unaffected

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-9020.html

Problem Types

CWE-416 Use After Free CWE