CVEvulnerability

CVE-2025-43510

7.8 HIGH Known exploited Published 2025-12-12 Modified 2026-10-07 Official page ↗

CISA Known Exploited Vulnerability

Apple Multiple Products Improper Locking Vulnerability — Apple Multiple Products

Apple watchOS, iOS, iPadOS, macOS, visionOS, and tvOS contain an improper locking vulnerability that could allow a malicious application to cause unexpected changes in memory shared between processes.

Added to KEV: 2026-03-20
Remediation due: 2026-04-03
Ransomware use: Unknown
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes: https://support.apple.com/en-us/125632 ; https://support.apple.com/en-us/125633 ; https://support.apple.com/en-us/125634 ; https://support.apple.com/en-us/125635 ; https://support.apple.com/en-us/125636 ; https://support.apple.com/en-us/125637 ; https://support.apple.com/en-us/125638 ; https://support.apple.com/en-us/125639 ; https://nvd.nist.gov/vuln/detail/CVE-2025-43510

Status: Analyzed
Published: 2025-12-12
Last modified: 2026-10-07
Assigner: [email protected]
CVSS 3.1 ([email protected]): 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses: CWE-667

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.

Affected configurations

• apple ipados (< 18.7.2) • apple ipados 26.0 • apple iphone os (< 18.7.2) • apple iphone os 26.0 • apple macos (>= 14.0 < 14.8.2) • apple macos (>= 15.0 < 15.7.2) • apple macos 26.0 • apple tvos (< 26.1) • apple visionos (< 26.1) • apple watchos (< 26.1)

Weakness · CWE (1)

CWE-667 Improper Locking weakness

References