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.
https://github.com/tianocore/edk2/security/advisories/GHSA-6pp6-cm5h-86g5
Published: 2025-12-09
Updated: 2025-12-09
Base Score: 7.3
Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:C/A:P
Severity: High
Base Score: 8.2
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L
Severity: High
Base Score: 8.4
Vector: 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
Severity: High
EPSS: 0.00139