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.
References (10)
Core 10
Core References
Various Sources
https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/
Third Party Advisory, US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43520
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125632
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125633
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125634
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125635
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125636
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125637
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125638
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125639
Scores
CVSS v3
5.5
EPSS
0.0027
EPSS Percentile
49.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2026-03-20
VulnCheck KEV
2026-03-18
ENISA EUVD
EUVD-2025-203153
CWE
CWE-120
Status
published
Products (25)
Apple/iOS and iPadOS
< 18.7.2
Apple/iOS and iPadOS
< 26.1
Apple/iOS and iPadOS
unspecified - 18.7
Apple/iOS and iPadOS
unspecified - 26.1
apple/ipados
26.0
apple/ipados
< 18.7.2
apple/iphone_os
26.0
apple/iphone_os
< 18.7.2
apple/macos
26.0
apple/macos
< 14.8.2
... and 15 more
Published
Dec 12, 2025
KEV Added
Mar 20, 2026
Tracked Since
Feb 18, 2026