P5 Verified

Bypass of GRUB lockdown restriction in Secure Boot mode via serial command MMIO base address

CVE-2026-97876. EPSS 0.00115 (percentile 0.01377), scored 2026-10-03. Fixed version: 26beaa3b2720fefdc4d04c1ae209b776fe6848d6.

Summary source: template

CVE / CWE

CVE-2026-97876 /

Vendor / product

Unavailable / Unavailable

Severity

0.0

CVSS

Unavailable · CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H · osv

EPSS

0.00115 · percentile 0.01377 · 2026-10-03

KEV

no · added unavailable · due unavailable · ransomware use unavailable

Exploit signals

Signal evidence

Affected products

• Product unavailable · Fixed version: 26beaa3b2720fefdc4d04c1ae209b776fe6848d6

Provenance

• OSV.dev · Source record · observed 2026-10-04 07:06:47.357040+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-97876.html