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CVE-2025-43510Apple Multiple Products Improper Locking Vulnerability
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.
7.8 HIGHEPSS 0.35%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.8 | HIGH | 3.1NVD | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CISA required action
⚡ Known exploited · remediation due Apr 3, 2026
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Details
- CVE ID
- CVE-2025-43510
- Status
- Analyzed
- Assigner (CNA)
- apple
- Published
- Dec 12, 2025
- Last modified
- 2026-10-07 11:10 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
AppleiOS and iPadOS2 version ranges
- before 18.7.2
- before 26.1
ApplemacOS3 version ranges
- before 14.8.2
- before 15.7.2
- before 26.1
AppletvOS1 version range
- before 26.1
ApplevisionOS1 version range
- before 26.1
ApplewatchOS1 version range
- before 26.1
References
- support.apple.com https://support.apple.com/en-us/125632
- support.apple.com https://support.apple.com/en-us/125633
- support.apple.com https://support.apple.com/en-us/125634
- support.apple.com https://support.apple.com/en-us/125635
- support.apple.com https://support.apple.com/en-us/125636
- support.apple.com https://support.apple.com/en-us/125637
- support.apple.com https://support.apple.com/en-us/125638
- support.apple.com https://support.apple.com/en-us/125639
- cloud.google.com https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43510