CVE-2025-52534 Memory corruption in AMD EPYC™ 9005 Series Processors
A malicious guest can write to host memory due to improper bound checks in AMD CPU microcode, compromising host integrity.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-52534?
CVE-2025-52534 is a medium-severity memory corruption vulnerability in AMD EPYC™ 9005 Series Processors, published on 10 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity.
Weakness: CWE-1284
Which versions are affected by CVE-2025-52534?
How do I fix CVE-2025-52534?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-52534 being exploited?
There is no known exploitation of CVE-2025-52534 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2025-52534, GHSA-633w-44jw-wrp4, UBUNTU-CVE-2025-52534.