How severe is CVE-2024-40817?

CVE-2024-40817 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-40817 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-40817?

CVE-2024-40817 primarily affects Apple Safari. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-40817?

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

Does CVE-2024-40817 have an EU (EUVD) identifier?

Yes. CVE-2024-40817 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38657.

When was CVE-2024-40817 published?

CVE-2024-40817 was published on 2024-07-29 and last updated on 2026-06-17.

CVE-2024-40817

CVE-2024-40817 is a medium-severity vulnerability in Apple Safari with a CVSS 3.x base score of 6.1. 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-1021.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38657
Weakness: CWE-1021
Affected product: Apple Safari
Published: 2024-07-29
Last modified: 2026-06-17

Description

The issue was addressed with improved UI handling. This issue is fixed in Safari 17.6, macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8. Visiting a website that frames malicious content may lead to UI spoofing.

Frequently asked questions

What is CVE-2024-40817?: The issue was addressed with improved UI handling. This issue is fixed in Safari 17.6, macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8. Visiting a website that frames malicious content may lead to UI spoofing.
How severe is CVE-2024-40817?: CVE-2024-40817 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-40817 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-40817?: CVE-2024-40817 primarily affects Apple Safari. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-40817?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-40817 have an EU (EUVD) identifier?: Yes. CVE-2024-40817 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38657.
When was CVE-2024-40817 published?: CVE-2024-40817 was published on 2024-07-29 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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