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CVE-2025-43529: Apple Multiple Products Use-After-Free WebKit Vulnerability

High · CVSS 8.8 (CVSS 3.1)KEV known exploitedEPSS 25.7%, 98th percentilePublished Updated Assigner: apple

In CISA’s Known Exploited Vulnerabilities catalog: Apple Multiple Products Use-After-Free WebKit Vulnerability.

Added , federal remediation due . Known ransomware use: Unknown.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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.

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

Status incidents that name it

No tracked status incident names this CVE.

Affected vendors and products

Apple: iOS and iPadOSApple: macOSApple: SafariApple: tvOSApple: visionOSApple: watchOS

References

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