[ CVE-2026-97631 · Published 22 Oct 2026 ]
Vulnerability in TianoCore EDK2
CVSS 9.5
No fix listed yet
[ Why it matters ]Priority signals
- Critical severity: CVSS 9.5
[ Description ]Official description
EDK2 contains a vulnerability in BIOS where a user may cause “Out-of-bounds Write”, Classic Buffer Overflow, and “Incorrect Calculation of Buffer Size” by remote access. Successful exploitation of this vulnerability can lead to arbitrary code execution. It could also impact Confidentiality, Integrity, and Availability.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.