CVE-2025-43529
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.
How to fix
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date: Jan 5, 2026- apple safari26.2 or later
- apple ipados18.7.3, 26.2 or later
- apple iphone_os18.7.3, 26.2 or later
- apple macos26.2 or later
- apple tvos26.2 or later
- apple visionos26.2 or later
- apple watchos26.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple safari | v < 26.2 | 26.2 |
| apple ipados | v < 18.7.3, 26.0 ≤ v < 26.2 | 18.7.3, 26.2 |
| apple iphone_os | v < 18.7.3, 26.0 ≤ v < 26.2 | 18.7.3, 26.2 |
| apple macos | 26.0 ≤ v < 26.2 | 26.2 |
| apple tvos | v < 26.2 | 26.2 |
| apple visionos | v < 26.2 | 26.2 |
| apple watchos | v < 26.2 | 26.2 |
Check your version
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Attack Surface Management
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