HIGH CISA KEV

CVE-2025-43529

CVSS v3

8.8

HIGH

EPSS Score

0.0%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
12/15/2025
Patch Due Date
1/5/2026
Ransomware Use
Unknown

Technical details

Published
12/17/2025

Frequently asked questions

What is CVE-2025-43529?

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.

Is CVE-2025-43529 actively exploited?

Yes. CVE-2025-43529 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 1/5/2026.

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

CVE-2025-43529 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2025-43529 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.