How severe is CVE-2022-42789?

CVE-2022-42789 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 high, integrity none, and availability none.

Is CVE-2022-42789 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42789?

CVE-2022-42789 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42789?

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

When was CVE-2022-42789 published?

CVE-2022-42789 was published on 2022-11-01 and last updated on 2026-06-17.

CVE-2022-42789

CVE-2022-42789 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.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Macos
Published: 2022-11-01
Last modified: 2026-06-17

Description

An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.7, macOS Ventura 13, macOS Monterey 12.6. An app may be able to access user-sensitive data.

Frequently asked questions

What is CVE-2022-42789?: An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.7, macOS Ventura 13, macOS Monterey 12.6. An app may be able to access user-sensitive data.
How severe is CVE-2022-42789?: CVE-2022-42789 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 high, integrity none, and availability none.
Is CVE-2022-42789 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42789?: CVE-2022-42789 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42789?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-42789 published?: CVE-2022-42789 was published on 2022-11-01 and last updated on 2026-06-17.

References

Affected products (1)

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

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