CVE-2025-43510

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.

Overview

State: PUBLISHED
Assigner (CNA): apple
CVSS severity: —
CVSS score: —
CVSS vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Effective score: 7.8 / 10 HIGH source: NVD
CWE(s): —
Reserved: 2025-04-16
Published: 2025-12-12 21:56 UTC
Last updated: 2026-04-02 20:16 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/43xxx/CVE-2025-43510.json
Linked Threat: CVE-2025-43510 — Apple Multiple Products: Apple Multiple Products Improper Locking Vulnerability

CISA Known Exploited Vulnerabilities CISA KEV

CISA has confirmed in-the-wild exploitation of this CVE. Federal agencies must remediate by the due date below; private orgs should treat it as priority-1.

Vulnerability name: Apple Multiple Products Improper Locking Vulnerability
Vendor / project: Apple
Product: Multiple Products
Date added to KEV: 2026-03-20
Remediation due: 2026-04-03
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.
Ransomware campaign use: Unknown
CISA 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
CISA listing: www.cisa.gov/known-exploited-vulnerabilities-catalog

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2025-12-12 21:15:55 UTC
NVD last modified: 2026-06-17 09:24:10 UTC
NVD CVSS v3.1: 7.8 / 10 HIGH source: nvd@nist.gov
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore: 1.8 / 10
Impact subscore: 5.9 / 10
EPSS score: 0.0035 (probability of exploitation in next 30 days)
EPSS percentile: 26.73% vs all CVEs — higher = more likely to be exploited, as of 2026-06-28

NVD-assigned CWE(s): CWE-667 (differs from the CNA list above)

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2025-203138
Assigner: apple
Published: Dec 12, 2025, 8:56:38 PM
Updated: Apr 2, 2026, 6:16:23 PM
EUVD base score (CVSS 3.1): 7.8 / 10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EUVD-reported EPSS: 0.3000
Vendors: Apple
Products: iOS and iPadOS (unspecified <18.7)

iOS and iPadOS (0 <18.7.2)

tvOS (0 <26.1)

iOS and iPadOS (0 <26.1)

watchOS (unspecified <26.1)

macOS (unspecified <26.1)

macOS (unspecified <15.7)

iOS and iPadOS (unspecified <26.1)

macOS (0 <26.1)

visionOS (unspecified <26.1)

macOS (0 <15.7.2)

tvOS (unspecified <26.1)

visionOS (0 <26.1)

watchOS (0 <26.1)

macOS (unspecified <14.8)

macOS (0 <14.8.2)
Aliases: GHSA-jw27-39xw-8fjx

ENISA 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.

EUVD references (8)

Affected products (5)

Vendor	Product	Versions	Platforms
Apple	iOS and iPadOS	`0` (affected), `0` (affected)	—
Apple	macOS	`0` (affected), `0` (affected), `0` (affected)	—
Apple	tvOS	`0` (affected)	—
Apple	visionOS	`0` (affected)	—
Apple	watchOS	`0` (affected)	—

Affected products — CPE 2.3 (9) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:26.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:26.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:26.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

Vendor references (8)

References embedded in the original CVE record by the assigning CNA.

MITRE references (5) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

Web references (7)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

https://support.apple.com/en-us/125636 rapid7:support.apple.com
http://cwe.mitre.org/data/definitions/667.html rapid7:cwe.mitre.org
https://www.cve.org/CVERecord?id=CVE-2025-43510 rapid7:www.cve.org
https://attackerkb.com/topics/CVE-2025-43510 rapid7:attackerkb.com
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-203138 rapid7:euvd.enisa.europa.eu
https://support.apple.com/en-us/125634 rapid7:support.apple.com
https://support.apple.com/en-us/125635 rapid7:support.apple.com

NVD-tagged references (10)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain/ 134c704f-9b21-4f2e-91b3-4a467353bcc0 Technical Description
https://support.apple.com/en-us/125632 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/125633 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/125634 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/125635 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/125636 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/125637 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/125638 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/125639 product-security@apple.com Release NotesVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43510 134c704f-9b21-4f2e-91b3-4a467353bcc0 US Government Resource

Indicators (2)

IOCs linked to the auto-promoted Threat row.

Type	Value	VirusTotal	Attached
cve	`CVE-2025-43510`	no local data	2026-05-14 02:58 UTC
cwe	`CWE-667`	no local data	2026-05-14 02:58 UTC

Remediations (11)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

CVE-2025-43510 - Apple Multiple Products Improper Locking Vulnerability ...

web:cvefeed.io

The following products are affected by CVE-2025-43510 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

2026-05-23 15:31 UTC
CVE-2025-43510 - GitHub Advisory Database

web:github.com

High severity Unreviewed Published on Dec 12, 2025 to the GitHub Advisory Database • Updated on Mar 20

2026-05-23 15:31 UTC
Nvd - Cve-2025-43510

web:nvd.nist.gov

An official website of the United States government Here's how you know

2026-05-23 15:31 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-23 15:31 UTC
Android Security Bulletin—November 2025 - Android Open Source Project

web:source.android.com

Security patch levels of 2025 -11-01 or later address all of these issues. To learn how to check a device's security patch level, see Check and update your Android version. Within 48 hours after the initial publication of this bulletin, we will release the corresponding source code patches to the Android Open Source Project (AOSP) repository.

2026-05-23 15:31 UTC
Landing Page | ServiceNow Common Vulnerabilities & Exposures (CVE ...

web:support.servicenow.com

Overview The advisories below document publicly disclosed Common Vulnerabilities and Exposures ( CVEs ) in the Now Platform by ServiceNow. Because ServiceNow uses various methods to communicate vulnerability information, patches, and other fixes, customers should review family, security patch , and hotfix release notes, which are available at https://docs.servicenow.com, for a complete list of ...

2026-05-23 15:31 UTC
February's Patch Tuesday release fixes 59 flaws ... - Computerworld

web:www.computerworld.com

Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...

2026-05-23 15:31 UTC
ArcGIS Server Security 2025 Update 2 Patch - Esri

web:www.esri.com

Key highlights The ArcGIS Server Security 2025 update 2 is available This patch resolves 10 Medium severity vulnerabilities This security patch is cumulative, and includes fixes provided in the ArcGIS Server Security 2025 update 1.

2026-05-23 15:31 UTC
Oracle Critical Patch Update Advisory - October 2025

web:www.oracle.com

This Critical Patch Update contains 374 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at October 2025 Critical Patch Update: Executive Summary and Analysis.

2026-05-23 15:31 UTC
Patch Tuesday May 2026: Security Updates & CVE Analysis

web:zecurit.com

Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

2026-05-23 15:31 UTC
CISA Required Action

CISA KEV

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due date: 2026-04-03 Known ransomware campaign use: Unknown

2026-05-14 01:13 UTC

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2025-43510.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-43510",
                "options": [
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                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-21T04:01:04.069314Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2026-03-20",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43510"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
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              }
            ]
          }
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        "providerMetadata": {
          "dateUpdated": "2026-03-23T13:13:26.107Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          },
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            "tags": [
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            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43510"
          }
        ],
        "title": "CISA ADP Vulnrichment"
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        },
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        },
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        },
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        },
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        },
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          "url": "https://support.apple.com/en-us/125637"
        },
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        },
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    "datePublished": "2025-12-12T20:56:38.131Z",
    "dateReserved": "2025-04-16T15:27:21.195Z",
    "dateUpdated": "2026-04-02T18:16:23.175Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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