Every CVESearch/Get API key

CVE-2022-21198

Time-of-check time-of-use race condition in the BIOS firmware for some Intel(R) Processors may...

7.9 High

CVE-2022-21198 is a high vulnerability (CVSS 7.9) in Intel Celeron 1000m Firmware, published November 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.

What does this mean?
Severity
7.9 HighCVSS 3.1, CVE List
Exploit chance
0.16%EPSS, 5th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
High

Exploit likelihood

0.16%Down 0.7 points since Nov 12, 2022
90%50%10%1%

Affected products

Show 449 moreShow less

What each source reports

CVE List Score used7.9

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.

Record
CVE-2022-21198
CVSS 3.1
7.9 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
Weakness
CWE-367
Updated
2026-11-02
EUVDEUVD-2022-264327.9

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.

Record
EUVD-2022-26432
CVSS 3.1
7.9 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-hjmc-mw59-wqqp6.4

Time-of-check time-of-use race condition in the BIOS firmware for some Intel(R) Processors may...

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.

Record
GHSA-hjmc-mw59-wqqp
CVSS 3.1
6.4 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-367
Updated
2026-11-02
NVD7.9

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.

Record
CVE-2022-21198
CVSS 3.1
7.9 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
CVSS 3.1
6.4 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-367
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

PagesAll vulnerabilitiesBrowseDocsSourcesGuideGet API key
MoveEnter Open