Is CVE-2025-43529 actively exploited?

CVE-2025-43529 has no public evidence of in-the-wild exploitation as of 2025-12-18.

What is the CVSS score for CVE-2025-43529?

CVE-2025-43529 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2025-43529?

Patch guidance is available from apple security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-43529.

Fix CVE-2025-43529 - HIGH apple safari

Q: Which products are affected by CVE-2025-43529?

9 products: apple safari, apple ipados, apple ipados, apple iphone os, apple iphone os, and 4 more.

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-416 · Use After Free

Metadata

Primary Vendor: APPLE
Published: 12/17/2025
Last Modified: 12/18/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

apple : safariapple : ipadosapple : ipadosapple : iphone_osapple : iphone_osapple : macosapple : tvosapple : visionosapple : watchos

Remediation Guidance

Executive Summary

View on NIST NVD