CVEvulnerability

CVE-2026-97631

9.5 CRITICAL Published 2026-10-22 Modified 2026-10-28 Official page ↗
Status
Deferred
Published
2026-10-22
Last modified
2026-10-28
Assigner
[email protected]
CVSS 4.0 ([email protected])
9.5 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-120, CWE-131, CWE-787

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.

Related

Weakness · CWE (3)

  • CWE-120 Buffer Copy without Checking Size of Input weakness
  • CWE-131 Incorrect Calculation of Buffer Size weakness
  • CWE-787 Out-of-bounds Write weakness

References