How severe is CVE-2025-43503?

CVE-2025-43503 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 low, and availability none.

Is CVE-2025-43503 being actively exploited?

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

What products are affected by CVE-2025-43503?

CVE-2025-43503 primarily affects Apple Safari. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-43503?

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

Does CVE-2025-43503 have an EU (EUVD) identifier?

Yes. CVE-2025-43503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37648.

When was CVE-2025-43503 published?

CVE-2025-43503 was published on 2025-11-04 and last updated on 2026-06-17.

CVE-2025-43503

CVE-2025-43503 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-290.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37648
Weakness: CWE-290
Affected product: Apple Safari
Published: 2025-11-04
Last modified: 2026-06-17

Description

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Visiting a malicious website may lead to user interface spoofing.

Frequently asked questions

What is CVE-2025-43503?: An inconsistent user interface issue was addressed with improved state management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Visiting a malicious website may lead to user interface spoofing.
How severe is CVE-2025-43503?: CVE-2025-43503 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 low, and availability none.
Is CVE-2025-43503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43503?: CVE-2025-43503 primarily affects Apple Safari. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-43503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-43503 have an EU (EUVD) identifier?: Yes. CVE-2025-43503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37648.
When was CVE-2025-43503 published?: CVE-2025-43503 was published on 2025-11-04 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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