How severe is CVE-2022-42821?

CVE-2022-42821 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-42821 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42821?

CVE-2022-42821 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42821?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-42821 published?

CVE-2022-42821 was published on 2022-12-15 and last updated on 2026-06-17.

CVE-2022-42821

CVE-2022-42821 is a medium-severity vulnerability in Apple Macos with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-693.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-693
Affected product: Apple Macos
Published: 2022-12-15
Last modified: 2026-06-17

Description

A logic issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.2, macOS Big Sur 11.7.2, macOS Ventura 13. An app may bypass Gatekeeper checks.

Frequently asked questions

What is CVE-2022-42821?: A logic issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.2, macOS Big Sur 11.7.2, macOS Ventura 13. An app may bypass Gatekeeper checks.
How severe is CVE-2022-42821?: CVE-2022-42821 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-42821 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42821?: CVE-2022-42821 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42821?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-42821 published?: CVE-2022-42821 was published on 2022-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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