CVE-2025-43529 · CVSS 8.8 HIGH · EPSS 26% · KEV 2025-12-15 · patch available
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.
Is CVE-2025-43529 exploited?
Listed in the CISA KEV catalog on 2025-12-15.
Federal remediation due 2026-01-05.
Past that date by 297 days.
EPSS puts exploitation in the next 30 days at 26%.
Public exploit code: none found in monitored sources.
Which products and versions are affected?
Apple · Safari · >= 0, < 26.2
Apple · iOS and iPadOS · >= 0, < 18.7.3, >= 0, < 26.2