How severe is CVE-2022-42867?

CVE-2022-42867 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-42867 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42867?

CVE-2022-42867 primarily affects Apple Safari. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-42867?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-42867 published?

CVE-2022-42867 was published on 2022-12-15 and last updated on 2026-06-17.

CVE-2022-42867

CVE-2022-42867 is a high-severity vulnerability in Apple Safari with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 35% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 35% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Apple Safari
Published: 2022-12-15
Last modified: 2026-06-17

Description

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 16.2 and iPadOS 16.2, watchOS 9.2. Processing maliciously crafted web content may lead to arbitrary code execution.

Frequently asked questions

What is CVE-2022-42867?: A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 16.2 and iPadOS 16.2, watchOS 9.2. Processing maliciously crafted web content may lead to arbitrary code execution.
How severe is CVE-2022-42867?: CVE-2022-42867 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-42867 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42867?: CVE-2022-42867 primarily affects Apple Safari. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-42867?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-42867 published?: CVE-2022-42867 was published on 2022-12-15 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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Other CWE-416 (Use After Free) vulnerabilities

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