CVE-2025-20623 Information disclosure in Intel(R) Core™ processors (10th Generation)
An authenticated local attacker can exploit shared microarchitectural predictor state to disclose sensitive information on Intel Core 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
- Available
What is CVE-2025-20623?
CVE-2025-20623 is a medium-severity vulnerability in Intel(R) Core™ processors (10th Generation), published on 13 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel(R) Core™ processors (10th Generation) may allow an authenticated user to potentially enable information disclosure via local access.
Weakness: CWE-1423
Which versions are affected by CVE-2025-20623?
How do I fix CVE-2025-20623?
Apply the vendor's patch.
Is CVE-2025-20623 being exploited?
There is no known exploitation of CVE-2025-20623 in the wild and no public exploit code.
Sources
Also known as ALPINE-CVE-2025-20623, BELL-CVE-2025-20623, DEBIAN-CVE-2025-20623, GHSA-fv2p-m3fq-rq6h, UBUNTU-CVE-2025-20623.