How severe is CVE-2025-30427?

CVE-2025-30427 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-30427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-30427?

CVE-2025-30427 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-2025-30427?

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

Does CVE-2025-30427 have an EU (EUVD) identifier?

Yes. CVE-2025-30427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8932.

When was CVE-2025-30427 published?

CVE-2025-30427 was published on 2025-03-31 and last updated on 2026-06-17.

CVE-2025-30427

CVE-2025-30427 is a medium-severity vulnerability in Apple Safari with a CVSS 3.x base score of 4.3. 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-416.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8932
Weakness: CWE-416
Affected product: Apple Safari
Published: 2025-03-31
Last modified: 2026-06-17

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.4, tvOS 18.4, visionOS 2.4, watchOS 11.4. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Frequently asked questions

What is CVE-2025-30427?: A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.4, tvOS 18.4, visionOS 2.4, watchOS 11.4. Processing maliciously crafted web content may lead to an unexpected Safari crash.
How severe is CVE-2025-30427?: CVE-2025-30427 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-30427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-30427?: CVE-2025-30427 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-2025-30427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-30427 have an EU (EUVD) identifier?: Yes. CVE-2025-30427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8932.
When was CVE-2025-30427 published?: CVE-2025-30427 was published on 2025-03-31 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:visionos:*:*:*:*:*:*:*:*

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