CVE-2025-52540 Memory corruption in AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics (formerly codenamed "Rembrandt")
A local attacker can exploit an out-of-bounds write in the AMD PMF Driver to achieve privilege escalation on affected Ryzen processors.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-52540?
CVE-2025-52540 is a high-severity memory corruption vulnerability in AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics (formerly codenamed "Rembrandt"), published on 15 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An improper input validation vulnerability within the AMD Platform Management Framework (PMF) Driver can allow a local attacker to write Out-of-Bounds, potentially resulting in privilege escalation.
Weakness: CWE-787
Which versions are affected by CVE-2025-52540?
How do I fix CVE-2025-52540?
No fix has been published for CVE-2025-52540 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-52540 being exploited?
There is no known exploitation of CVE-2025-52540 in the wild and no public exploit code.
Sources
Also known as GHSA-52rq-4m29-jc22.