CVE-2026-0465 Use after free in AMD Ryzen™ Master
A local attacker can exploit a use-after-free flaw in the AMD Ryzen Master driver to access kernel memory, causing system instability or denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0465?
CVE-2026-0465 is a medium-severity use after free vulnerability in AMD Ryzen™ Master, published on 11 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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
Weakness: CWE-416
Which versions are affected by CVE-2026-0465?
How do I fix CVE-2026-0465?
No fix has been published for CVE-2026-0465 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-0465 being exploited?
There is no known exploitation of CVE-2026-0465 in the wild and no public exploit code.
Sources
Also known as GHSA-7mgc-2w28-r24m.