CVE-2026-14968AMD MmSaveStateLib SysCall path performs out-of-bounds writes for partial save-state reads

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

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