CVE-2025-35968 Security feature bypass in Slim Bootloader
A protection mechanism failure in Slim Bootloader UEFI firmware allows local attackers to escalate privileges via complex startup code manipulation.
- 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-2025-35968?
CVE-2025-35968 is a high-severity vulnerability in Slim Bootloader, published on 11 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Protection mechanism failure in the UEFI firmware for the Slim Bootloader within firmware may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. 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 (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Weakness: CWE-693
Which versions are affected by CVE-2025-35968?
How do I fix CVE-2025-35968?
No fix has been published for CVE-2025-35968 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-35968 being exploited?
There is no known exploitation of CVE-2025-35968 in the wild and no public exploit code.
Sources
Also known as GHSA-7fh7-6653-rp96.