CVE-2025-35991 Information disclosure in Intel platforms
A privileged local attacker can exploit improper initialization in Intel UEFI firmware to disclose sensitive system data.
- 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-2025-35991?
CVE-2025-35991 is a medium-severity vulnerability in Intel platforms, published on 12 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper initialization in the UEFI firmware for some Intel platforms within Ring 0: Bare Metal OS may allow an information disclosure. System software adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Weakness: CWE-665
Which versions are affected by CVE-2025-35991?
How do I fix CVE-2025-35991?
No fix has been published for CVE-2025-35991 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-35991 being exploited?
There is no known exploitation of CVE-2025-35991 in the wild and no public exploit code.
Sources
Also known as GHSA-q59c-hw6f-x2m2.