HIGHCVSS v4 8.6Vulnerability

CVE-2026-41224

Out-of-bounds write in the UEFI firmware for the Intel(R) Slim Bootloader within Ring 0: Bare Metal OS may allow an escalation of privilege. Startup code and smm adversary with an unauthenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via physical access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (high) impacts.

Properties

Severity
HIGH
Nvd fetched at
2026-11-10T23:33:48.924589+00:00
Cvss severity
HIGH
Cvss score
8.6
Retrieved at
2026-11-10T23:34:23+00:00
Score
8.6
Cvss version
4.0
Last source
NVD
Cve id
CVE-2026-41224
Cvss vector
CVSS:4.0/AV:P/AC:L/AT:N/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
First seen by Signal
2026-11-10T19:28:56+00:00
Vector
CVSS:4.0/AV:P/AC:L/AT:N/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
Published at
2026-11-10T18:17:39.080
Last modified
2026-11-10T22:06:57.400

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Out-of-bounds Write

Related research

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-41224 (CVSS v4 8.6) — Ninja Signal Threat Intelligence | Ninja Signal