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ExploitedIn CISA KEVFix available

CVE-2022-22674

Exploitation confirmed. First attested on 2022-04-04 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2022-05-26
  • Fixed in10.15.7
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Monterey 12.3.1, Security Update 2022-004 Catalina, macOS Big Sur 11.6.6. A local user may be able to read kernel memory.

Timeline

dates in UTC
  1. 2022-04-04Added to the CISA KEV catalogCISA KEV
  2. 2022-04-04Listed as exploited by GCVEGCVE
  3. 2022-04-04Exploitation first reportedCISA KEV
  4. 2022-05-2618:15CVE publishedNVD
  5. 2025-01-2916:28SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-22674?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-22674?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Apple mac os x
BranchAffectedFixed in
10.15≥ 10.15, < 10.15.710.15.7
10.15= 10.15.7no fix published
Apple macos
BranchAffectedFixed in
12.x≥ 12.0.0, < 12.3.112.3.1
11.x≥ 11.0, < 11.6.611.6.6

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA3 products

As apple, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Apple macOS
    Affected
    • < 12.3fixed in 12.3custom
  • Apple macOS
    Affected
    • < 2022fixed in 2022custom
  • Apple macOS
    Affected
    • < 11.6fixed in 11.6custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-05-26

Fix

  1. Update Apple mac os x to 10.15.7
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-04-25

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-04-04
Patch Due Date
2022-04-25
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published
2022-05-26
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-mj8g-26g5-c9fp

Frequently asked questions

What is CVE-2022-22674?

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Monterey 12.3.1, Security Update 2022-004 Catalina, macOS Big Sur 11.6.6. A local user may be able to read kernel memory.

Is CVE-2022-22674 actively exploited?

Yes. CVE-2022-22674 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-04-25.

What is the CVSS score for CVE-2022-22674?

CVE-2022-22674 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record