CVE-2025-43520

medium

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

Exploits
More

https://www.bleepingcomputer.com/news/security/apple-expands-ios-18-updates-to-more-iphones-to-block-darksword-attacks/

https://www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-darksword-ios-flaws-exploited-attacks/

https://securityaffairs.com/189776/security/u-s-cisa-adds-apple-laravel-livewire-and-craft-cms-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://thehackernews.com/2026/03/cisa-flags-apple-craft-cms-laravel-bugs.html

https://www.cisa.gov/news-events/alerts/2026/03/20/cisa-adds-five-known-exploited-vulnerabilities-catalog

https://securityaffairs.com/189716/security/apple-urges-iphone-users-to-update-as-coruna-and-darksword-exploit-kits-emerge.html

https://www.helpnetsecurity.com/2026/03/19/darksword-ios-exploit-iphone/

https://thehackernews.com/2026/03/darksword-ios-exploit-kit-uses-6-flaws.html

https://securityaffairs.com/189662/hacking/darksword-emerges-as-powerful-ios-exploit-tool-in-global-attacks.html

https://www.theregister.com/2026/03/18/darksword_exploit_kit_steals_iphone/

https://www.securityweek.com/darksword-ios-exploit-kit-used-by-state-sponsored-hackers-spyware-vendors/

https://www.darkreading.com/threat-intelligence/darksword-iphone-exploit-spies-thieves

https://www.bleepingcomputer.com/news/security/new-darksword-ios-exploit-used-in-infostealer-attack-on-iphones/

https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43520

https://support.apple.com/en-us/125639

https://support.apple.com/en-us/125638

https://support.apple.com/en-us/125637

https://support.apple.com/en-us/125636

https://support.apple.com/en-us/125635

https://support.apple.com/en-us/125634

https://support.apple.com/en-us/125633

https://support.apple.com/en-us/125632

Details

Source: Mitre, NVD

Published: 2025-12-12

Updated: 2026-04-03

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00024