How severe is CVE-2024-27838?

CVE-2024-27838 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-27838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27838?

CVE-2024-27838 primarily affects Apple Safari. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-27838?

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

Does CVE-2024-27838 have an EU (EUVD) identifier?

Yes. CVE-2024-27838 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25031.

When was CVE-2024-27838 published?

CVE-2024-27838 was published on 2024-06-10 and last updated on 2026-06-17.

CVE-2024-27838

CVE-2024-27838 is a medium-severity vulnerability in Apple Safari with a CVSS 3.x base score of 6.5. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-25031
Weakness: CWE-79
Affected product: Apple Safari
Published: 2024-06-10
Last modified: 2026-06-17

Description

The issue was addressed by adding additional logic. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, visionOS 1.2, watchOS 10.5. A maliciously crafted webpage may be able to fingerprint the user.

Frequently asked questions

What is CVE-2024-27838?: The issue was addressed by adding additional logic. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, visionOS 1.2, watchOS 10.5. A maliciously crafted webpage may be able to fingerprint the user.
How severe is CVE-2024-27838?: CVE-2024-27838 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-27838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27838?: CVE-2024-27838 primarily affects Apple Safari. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-27838?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-27838 have an EU (EUVD) identifier?: Yes. CVE-2024-27838 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25031.
When was CVE-2024-27838 published?: CVE-2024-27838 was published on 2024-06-10 and last updated on 2026-06-17.

References

Affected products (7)

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:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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