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High 8.4Published Dec 9, 2025

CVE-2025-2296Un-verified kernel bypass Secure Boot mechanism in direct boot mode

Updated under an hour ago ()

Does this affect you?

It affects TianoCore EDK2. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
8.4 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L
Weakness (CWE)
CWE-20
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
TianoCore
NVD analysis
Deferred
Record last updated
Dec 9, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
TianoCore EDK2
tianocore:edk2 (from the name)
before edk2-stable202502
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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