CVE-2025-43520
KEVMEDIUM 5.5EPSS 0.4%
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.
- CVSS v3.1
- 5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS v3.1
- 5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS
- 0.43% chance of exploitation in the next 30 days, 36th percentile
- CISA KEV
- added 2026-03-20
- Published
- 2025-12-12
- Updated
- 2026-04-02
Proof-of-concept exploits (4)
- https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/
- kolbicz/Cyanide
- AmorCool/cyanide-o0★ · 2026-08-28
- TheRealClarity/ClearSword