CVE-2025-43430

Name: CVE-2025-43430
Creator: NVD / NIST
Published: 2025-11-04T02:15:48.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.96%

Last modified Jun 17, 2026

CVE-2025-43430 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. This issue was addressed through improved state management. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

This issue was addressed through improved state management. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

EPSS Probability

0.96%

56.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Safari	< 26.1
Apple	Ipados	< 26.1
Apple	Iphone Os	< 26.1
Apple	Tvos	< 26.1
Apple	Visionos	< 26.1
Apple	Watchos	< 26.1

References

https://support.apple.com/en-us/125632Release Notes, Vendor Advisory
https://support.apple.com/en-us/125634
https://support.apple.com/en-us/125637Release Notes, Vendor Advisory
https://support.apple.com/en-us/125638Release Notes, Vendor Advisory
https://support.apple.com/en-us/125639Release Notes, Vendor Advisory
https://support.apple.com/en-us/125640Release Notes, Vendor Advisory

Timeline

Published: Nov 4, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-43430?

How severe is CVE-2025-43430?

CVE-2025-43430 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43430?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-43430?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST