CVE-2025-22839 Privilege escalation in Intel(R) Xeon(R) 6 Scalable processors
A privileged user with adjacent access can escalate privileges due to insufficient access control in Intel Xeon 6 Scalable processors.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-22839?
CVE-2025-22839 is a high-severity vulnerability in Intel(R) Xeon(R) 6 Scalable processors, published on 12 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Insufficient granularity of access control in the OOB-MSM for some Intel(R) Xeon(R) 6 Scalable processors may allow a privileged user to potentially enable escalation of privilege via adjacent access.
Weakness: CWE-1220
Which versions are affected by CVE-2025-22839?
How do I fix CVE-2025-22839?
Apply the vendor's patch.
Is CVE-2025-22839 being exploited?
There is no known exploitation of CVE-2025-22839 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2025-22839, BELL-CVE-2025-22839, DEBIAN-CVE-2025-22839, GHSA-43pp-4q99-jfhm, UBUNTU-CVE-2025-22839.