CVE-2026-14968

high

Description

EDK2 contains vulnerabilities in BIOS where skilled and privileged users or attackers may cause “Out-of-bounds Write” by local access. Successful exploitation of this vulnerability could compromise SMM handler integrity, cause system instability, and lead to denial of service. It could also impact Integrity and Availability.

References

https://github.com/tianocore/edk2/security/advisories/GHSA-979r-6wfh-gq4h

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-122796

Details

Source: Mitre, NVD

Published: 2026-11-10

Updated: 2026-11-12

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:P

Severity: Low

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Severity: High

CVSS v4

Base Score: 7

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H

Severity: High

EPSS

EPSS: 0.00117