CVE-2022-21198
Medium
Elevated severity or exploit probability.
CVSS base
7.9
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
EPSS — probability of exploitation (30 days)
0.1%
4.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-367
Published 2022-11-11 · modified 2026-08-11
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | H | High |
| User Interaction | N | None |
| Scope | C | Changed |
| Confidentiality | N | None |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2022-11-11 — Published (NVD)
- 2026-08-11 — Last modified (NVD)
Description
Time-of-check time-of-use race condition in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.