CVE-2025-43529

Name: CVE-2025-43529
Creator: NVD / NIST
Published: 2025-12-17T21:16:11.57+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 8.44%

Last modified Jun 17, 2026

CVE-2025-43529 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. CISA has confirmed active exploitation in the wild. EPSS estimates a 8.44% chance of exploitation in the next 30 days.

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

8.44%

94.3th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jan 5, 2026.

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Apple	Safari	< 26.2
Apple	Ipados	< 18.7.3
Apple	Ipados	>= 26.0, < 26.2
Apple	Iphone Os	< 18.7.3
Apple	Iphone Os	>= 26.0, < 26.2
Apple	Macos	>= 26.0, < 26.2
Apple	Tvos	< 26.2
Apple	Visionos	< 26.2
Apple	Watchos	< 26.2

References

https://support.apple.com/en-us/125884Release Notes, Vendor Advisory
https://support.apple.com/en-us/125885Release Notes, Vendor Advisory
https://support.apple.com/en-us/125886Release Notes, Vendor Advisory
https://support.apple.com/en-us/125889Release Notes, Vendor Advisory
https://support.apple.com/en-us/125890Release Notes, Vendor Advisory
https://support.apple.com/en-us/125891Release Notes, Vendor Advisory
https://support.apple.com/en-us/125892Release Notes, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529US Government Resource

Timeline

Published: Dec 17, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-43529?

How severe is CVE-2025-43529?

CVE-2025-43529 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 8.44% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2025-43529?

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-2025-43529?

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

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Source: NVD / NIST