CVE-2026-41221
HIGH
MEDIUM
Priority: 0.01
BB Relevance:
52/100
Published: 2026-11-10
Modified: 2026-11-10
First seen: 2026-11-10
Status: active
Attack Surface
Low Complexity
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Physical
AC:
Low
PR:
None
UI:
None
S:
X
AT:
None
VC:
High
VI:
High
VA:
High
Description
Integer overflow 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.
Weakness Classification (1)
Affected Software (1)
| Vendor | Product | Version |
|---|---|---|
| n/a | Intel(R) Slim Bootloader | See references |