CVE-2025-43529
CVE-2025-43529
In short
A memory management flaw in Safari and Apple operating systems allows attackers to execute arbitrary code by processing malicious web content. This vulnerability has been actively exploited in targeted attacks against specific individuals.
Technical detail
Use-after-free vulnerability (CWE-416) in WebKit rendering engine affects Safari and multiple Apple OS platforms. Attack vector is network-based through maliciously crafted web content; no user authentication required beyond visiting a compromised webpage. Successful exploitation grants arbitrary code execution in the context of the affected application, with evidence of real-world exploitation in sophisticated targeted campaigns.
Summary generated and translated by AI from the official 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Apple · iOS and iPadOSApple · macOSApple · SafariApple · tvOSApple · visionOSApple · watchOSpublic PoCs found — 8
githubgithub.com/zeroxjf/WebKit-UAF-ANGLE-OOB-Analysis★ 100githubgithub.com/jir4vv1t/CVE-2025-43529★ 79githubgithub.com/GenericCoding/pois0nSword★ 39githubgithub.com/bjrjk/CVE-2025-43529★ 17githubgithub.com/kmeps4/bugtest★ 1githubgithub.com/SimoesCTT/Convergent-Time-Theory-Enhanced-iOS-Safari-RCE-CVE-2025-43529-★ 1githubgithub.com/SimoesCTT/CTT-Apple-Silicon-Refraction★ 1githubgithub.com/sakyu7/sakyu7.github.io★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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https://support.apple.com/en-us/125884https://support.apple.com/en-us/125885https://support.apple.com/en-us/125886https://support.apple.com/en-us/125889https://support.apple.com/en-us/125890https://support.apple.com/en-us/125891https://support.apple.com/en-us/125892https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529