CVE-2026-6484

highpriority · track · 0OT risk · elevatedEPSS 0.004 · 31 %ileDEEU
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.37% (31st) EPSS
CVSS 8.2 · high
Is it mine?
4 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.

01

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:Hsecondary · ENISA EU
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)
02

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1277US
04

affected products (4)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-2777Insyde UEFI Firmware (InsydeH2O): Schwachstelle ermöglicht CodeausführungDeutsch2026-08-11csaf · cert_bundDE

    Ein lokaler Angreifer kann eine Schwachstelle in Insyde UEFI Firmware ausnutzen, um beliebigen Programmcode auszuführen.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundNVDCVE.orgMITRE
published 2026-08-12modified 2026-10-24
08

references (3)

External citations — patches, advisories, analysis.

scry

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