CVE-2025-43510

moderate-risk
Published 2025-12-12

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.

Do I need to act?

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0.51% chance of exploitation
EPSS score — low exploit probability
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (9)

Affected Vendors

Apple

References (10)

Release Notes https://support.apple.com/en-us/125632
Release Notes https://support.apple.com/en-us/125633
Release Notes https://support.apple.com/en-us/125634
Release Notes https://support.apple.com/en-us/125635
Release Notes https://support.apple.com/en-us/125636
Release Notes https://support.apple.com/en-us/125637
Release Notes https://support.apple.com/en-us/125638
Release Notes https://support.apple.com/en-us/125639
Technical Description https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-c...
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-...
48
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 9/34 · Low
Exposure 15/34 · Moderate