CVE-2026-6485CWE-489

CVE-2026-6485

High · published September 9, 2026

CVSS v3.1
8.2
EPSS
0%
Percentile
7.1
In the wild
Unconfirmed
What it is

UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts.

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00179 · 7.1th percentile
Weakness
CWE-489 · Active Debug Code
Published
2026-09-09T08:19Z
References (1)
https://www.insyde.com/security-pledge/sa-2026004/ · 8338d8cb-57f7-4252-abc0-96fd13e98d21
EPSS history
Timeline
  • 10 SEP 03:17Z
    EPSS moved — → 0%
    epss
  • 09 SEP 03:54Z
    UEFI BIOS embedded Shell can be used to bypass Secure Boot
    cvelistv5