High severity · published Dec 9, 2025
CVE-2025-2296
Un-verified kernel bypass Secure Boot mechanism in direct boot mode
8.4
CVSS
0.8%
EPSS
No
On KEV
Description
EDK2 contains a vulnerability in BIOS where an attacker may cause “ Improper Input Validation” by local access. Successful exploitation of this vulnerability could alter control flow in unexpected ways, potentially allowing arbitrary command execution and impacting Confidentiality, Integrity, and Availability.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ED
EDK2 · TianoCore
before edk2-stable202502 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-2296
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-2296
github.com
https://github.com/tianocore/edk2/security/advisories/GHSA-6pp6-cm5h-86g5
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