CVE-2022-21198: intel celeron_1000m_firmware
CVSS: 7.9v3.1HighModified
Published 11-11-2022Last modified 11-08-2026
Vulnerability summary
CVE-2022-21198 is a high (CVSS 7.9) vulnerability in intel celeron_1000m_firmware. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4% of scored vulnerabilities.
CVSS score
7.9/10
010
High · v3.1 (CVE.org)EPSS score
0.15%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-11-2022PublishedVulnerability first disclosed.
- 11-08-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:HSources2 sources · 6.4–7.9
- NVDNIST6.4MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
+0.01 pp
From 0.15% on 19-09-2026
19-09-202619-10-2026
EPSS score0.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
1 vendor · 200 products · Showing 200 of 447. Use Open JSON for the complete list.