Apple Multiple Products Use-After-Free WebKit Vulnerability

HIGH 8.8EXPLOITED (CISA KEV)CVE-2025-43529 · Published 17/12/2025 · updated 07/10/2026

Apple Multiple Products Use-After-Free WebKit Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 15/12/2025. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
safari apple	`< 26.2`	`26.2`

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.

References

support.apple.com/en-us/125884 · Release Notes
support.apple.com/en-us/125885 · Release Notes
support.apple.com/en-us/125886 · Release Notes
support.apple.com/en-us/125889 · Release Notes
support.apple.com/en-us/125890 · Release Notes
support.apple.com/en-us/125891 · Release Notes
support.apple.com/en-us/125892 · Release Notes
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2025-43529

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