CVE-2026-12855

CVE-2026-12855 is an unvalidated memory boundary flaw in H19WMIHandlerSmm , an SMM (System Management Mode) handler component in UEFI firmware. The vulnerable code was developed specifically for HP projects and is associated with Insyde firmware (per the Insyde security advisory reference). An at...

CVE-2026-12855 H19WMIHandlerSmm: unvalidated memory boundary could result in arbitrary code execution.

Unvalidated memory boundary could result in arbitrary code execution. The vulnerability exists in the code developed specifically for HP projects...