How severe is CVE-2025-2296?

CVE-2025-2296 has a CVSS 4.0 base score of 8.4, rated high severity.

Is CVE-2025-2296 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-2296?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-2296 have an EU (EUVD) identifier?

Yes. CVE-2025-2296 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201946.

When was CVE-2025-2296 published?

CVE-2025-2296 was published on 2025-12-09 and last updated on 2026-06-17.

CVE-2025-2296

CVE-2025-2296 is a high-severity vulnerability with a CVSS 4.0 base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 4.0 base score 8.4)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-201946
Weakness: CWE-20
Published: 2025-12-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-2296?: 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.
How severe is CVE-2025-2296?: CVE-2025-2296 has a CVSS 4.0 base score of 8.4, rated high severity.
Is CVE-2025-2296 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-2296?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-2296 have an EU (EUVD) identifier?: Yes. CVE-2025-2296 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201946.
When was CVE-2025-2296 published?: CVE-2025-2296 was published on 2025-12-09 and last updated on 2026-06-17.

References

https://github.com/tianocore/edk2/security/advisories/GHSA-6pp6-cm5h-86g5

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