Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.
Metrics
CVSS 3.1 5.5/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | < 18.7.2; < 26.1 |
| Apple | macOS | < 14.8.2; < 15.7.2; < 26.1 |
| Apple | tvOS | < 26.1 |
| Apple | visionOS | < 26.1 |
| Apple | watchOS | < 26.1 |
References
- https://support.apple.com/en-us/125632Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125633Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125634Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125635Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125636Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125637Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125638Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125639Release Notes, Vendor Advisory
- https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/Technical Description
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43520US Government Resource
Timeline
- Published
- Dec 12, 2025
- Last modified
- Oct 7, 2026
- Added to CISA KEV
- Mar 20, 2026
- NVD status
- Analyzed