CVE-2025-43529

HIGH CISA KEV EPSS 94.3%
Published Dec 17, 20256mo ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Dec 17, 2025 6mo ago
Last Modified Jun 17, 2026 1w ago
KEV Listed Dec 15, 2025 6mo ago
KEV Due Jan 5, 2026 175d overdue

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 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 Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

CISA Known Exploited Overdue 175d
Added
Dec 15, 2025
Due
Jan 5, 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.

EPSS Exploit Probability
94.3% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 9

VendorProductVersionRange
applesafari* <26.2
appleipados* <18.7.3
appleipados*≥26.0  –  <26.2
appleiphone_os* <18.7.3
appleiphone_os*≥26.0  –  <26.2
applemacos*≥26.0  –  <26.2
appletvos* <26.2
applevisionos* <26.2
applewatchos* <26.2

References 8

  • support.apple.com https://support.apple.com/en-us/125884
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/125885
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/125886
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/125889
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/125890
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/125891
    Release NotesVendor Advisory
  • support.apple.com https://support.apple.com/en-us/125892
    Release NotesVendor Advisory
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529
    US Government Resource

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.