CVE-2026-18448

EDK2 contains a vulnerability in BIOS where a privileged attacker may cause “Exposure of Sensitive Information during Transient Execution” by local access. Successful exploitation of this vulnerability may result in disclosure of SMRAM contents. It could also impact Confidentiality.

• CWE-1420

• https://github.com/tianocore/edk2/security/advisories/GHSA-7v86-66vf-h88j

Published

Nov 10, 2026

Last Modified

Nov 10, 2026

Status

Received

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