CVE-2025-2296 | BDVDB-2026-304621 Detail

TianoCoreEDK2

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.

Impact#

Per CVSS v4.0: confidentiality impact low, integrity impact high, availability impact low. Attack vector: network.

Weaknesses#

CWE-20 Improper Input Validation

References#

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

Exploit#

No public exploit known

History#

Version 12025-12-09Record published in the CVE List.

Published

Published: 2025-12-09
Last modified: 2025-12-09

Vendor information

Vendor: TianoCore
Product: EDK2

All TianoCore vulnerabilities

Score

8.4 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 55.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Input Validation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< edk2-stable202502
Fixed
edk2-stable202502

Scoring System

CVSS v4.0

8.4 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	High
User Interaction	None
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	High
Vulnerable System Availability	Low
Subsequent System Confidentiality	Low
Subsequent System Integrity	High
Subsequent System Availability	Low

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).