CVE-2026-6485

highpriority · track · 0OT risk · elevatedEPSS 0.002 · 7 %ileDE

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.18% (7th) EPSS

CVSS 8.2 · high

Is it mine?

9 products

Who says so?

1 sources

cert_bund

EPSS · scored 2026-10-28

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

cvss

Technical severity, 0–10. One row per scoring source.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.2highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondaryexploitability 1.5 · impact 6

v3.17.5highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3240Insyde UEFI Firmware und Cisco UCS (UEFI Shell Secure Boot): Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2026-09-08csaf · cert_bundDE
Ein Angreifer kann eine Schwachstelle in Insyde UEFI Firmware und Cisco Unified Computing System (UCS) ausnutzen, um den UEFI-Secure-Boot zu umgehen, die Pre-Boot-Umgebung zu manipulieren und beliebigen Code auszuführen.

Which sources assert this record, and when.

published 2026-09-09modified 2026-09-10

External citations — patches, advisories, analysis.

scry

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