CVE-2025-43529: Apple Multiple Products Use-After-Free WebKit Vulnerability
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.
Published Dec 17, 2025 · Updated Oct 7, 2026
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.
Advisory details
From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.
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
- https://support.apple.com/en-us/125884
- https://support.apple.com/en-us/125885
- https://support.apple.com/en-us/125886
- https://support.apple.com/en-us/125889
- https://support.apple.com/en-us/125890
- https://support.apple.com/en-us/125891
- https://support.apple.com/en-us/125892
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology
More Apple vulnerabilities
All Apple entriesCVE-2026-86950
Apple Multiple Products Out-of-Bounds Write Vulnerability
high8.8ExploitedSep 28, 2026CVE-2026-65400
Apple macOS Improper Authentication Vulnerability
critical9.8ExploitedAug 6, 2026CVE-2026-20700
Apple Multiple Buffer Overflow Vulnerability
high7.8ExploitedFeb 11, 2026CVE-2025-43510
Apple Multiple Products Improper Locking Vulnerability
high7.8ExploitedDec 12, 2025CVE-2025-43520
Apple Multiple Products Classic Buffer Overflow Vulnerability
medium5.5ExploitedDec 12, 2025CVE-2023-43000
Apple Multiple products Use-After-Free Vulnerability
high8.8ExploitedNov 5, 2025