CVE-2025-43510

Published Dec 12, 2025

Last updated 7 days ago

Exploit known CVSS high 7.8

Zero-day

Mobile device

Overview

Description: A memory corruption issue was addressed with improved lock state checking. This issue is fixed in watchOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Tahoe 26.1, visionOS 26.1, tvOS 26.1, macOS Sonoma 14.8.2, macOS Sequoia 15.7.2, iOS 26.1 and iPadOS 26.1. A malicious application may cause unexpected changes in memory shared between processes.
Source: product-security@apple.com
NVD status: Analyzed
Products: ipados, iphone_os, macos, tvos, visionos, watchos

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.8
Impact score: 5.9
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: HIGH

Known exploits

Data from CISA

Vulnerability name: Apple Multiple Products Improper Locking Vulnerability
Exploit added on: Mar 20, 2026
Exploit action due: Apr 3, 2026
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.

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-667

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "819E8F86-A336-49A2-853F-249459279A59",
            "versionEndExcluding": "18.7.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:ipados:26.0:*:*:*:*:*:*:*",
            "matchCriteriaId": "4173F942-2CF6-447E-A942-948F6EF6CE77",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "7B98B4A6-EFB0-4651-BF56-06917E7CEC85",
            "versionEndExcluding": "18.7.2",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:iphone_os:26.0:*:*:*:*:*:*:*",
            "matchCriteriaId": "E29A276A-7091-42B2-B893-6A5801A0716E",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "9827CBDC-8C03-46BA-B534-8533F0975804",
            "versionEndExcluding": "14.8.2",
            "versionStartIncluding": "14.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "4BE8199E-63D1-496C-B107-52853CFC2311",
            "versionEndExcluding": "15.7.2",
            "versionStartIncluding": "15.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:macos:26.0:*:*:*:*:*:*:*",
            "matchCriteriaId": "551159EE-8311-4A13-802D-85871DAB5E77",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "290E0D29-CB5B-45A7-9FE3-FD2030B1D1A4",
            "versionEndExcluding": "26.1",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "7DFD3616-65CA-4E5C-849C-3C20ACBCB610",
            "versionEndExcluding": "26.1",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "9F9D7F76-13FB-407C-94E5-221B93021568",
            "versionEndExcluding": "26.1",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.

Overview

Risk scores

CVSS 3.1

Known exploits

Weaknesses

Social media

Configurations

Related CVEs

References