How severe is CVE-2022-22674?

CVE-2022-22674 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-22674 being actively exploited?

Yes. CVE-2022-22674 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-04-04, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2022-22674?

CVE-2022-22674 primarily affects Apple Mac Os X. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-22674?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2022-22674 have an EU (EUVD) identifier?

Yes. CVE-2022-22674 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-27819. It is also flagged as exploited in the EUVD (since 2022-04-04).

When was CVE-2022-22674 published?

CVE-2022-22674 was published on 2022-05-26 and last updated on 2026-06-17.

CVE-2022-22674

CVE-2022-22674 is a medium-severity vulnerability in Apple Mac Os X with a CVSS 3.x base score of 5.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-04-04). The underlying weakness is classified as CWE-125.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.9
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-04-04)
EU (EUVD) id: EUVD-2022-27819
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-04-04)
Weakness: CWE-125
Affected product: Apple Mac Os X
Published: 2022-05-26
Last modified: 2026-06-17

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.

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.
How severe is CVE-2022-22674?: CVE-2022-22674 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-22674 being actively exploited?: Yes. CVE-2022-22674 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-04-04, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2022-22674?: CVE-2022-22674 primarily affects Apple Mac Os X. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-22674?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2022-22674 have an EU (EUVD) identifier?: Yes. CVE-2022-22674 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-27819. It is also flagged as exploited in the EUVD (since 2022-04-04).
When was CVE-2022-22674 published?: CVE-2022-22674 was published on 2022-05-26 and last updated on 2026-06-17.

References

Affected products (17)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-008:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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