CVE-2025-43510

HIGH KEV

Apple - Memory Corruption

Title source: llm

Description

A memory corruption issue was addressed with improved lock state checking. 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 cause unexpected changes in memory shared between processes.

References (10)

[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-2025-43510

[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 7.8

EPSS 0.0030

EPSS Percentile 53.6%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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-2025-203138

CWE

CWE-667

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