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CVE-2025-43529 Detail

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 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

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://support.apple.com/en-us/125884 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/125885 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/125886 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/125889 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/125890 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/125891 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/125892 Apple Inc. Release Notes  Vendor Advisory 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529 CISA-ADP US Government Resource 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Apple Multiple Products Use-After-Free WebKit Vulnerability 12/15/2025 01/05/2026 Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-43529
NVD Published Date:
12/17/2025
NVD Last Modified:
12/18/2025
Source:
Apple Inc.