# CVE-2025-43529: Apple Multiple Products Use-After-Free WebKit Vulnerability

> CVE-2025-43529: Apple Multiple Products Use-After-Free WebKit Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2025-43529
Last updated: 2026-10-07T11:10:00Z

- Published: 2025-12-17 20:46 UTC · Updated: 2026-10-07 11:10 UTC · Assigner: apple
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 25.7%, 98th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-12-15, federal due date 2026-01-05, ransomware use: Unknown

## 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.

## CISA 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.

## Affected vendors and products

- Apple: iOS and iPadOS
- Apple: macOS
- Apple: Safari
- Apple: tvOS
- Apple: visionOS
- Apple: watchOS

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-43529)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-43529)
- [https://support.apple.com/en-us/125884](https://support.apple.com/en-us/125884)
- [https://support.apple.com/en-us/125885](https://support.apple.com/en-us/125885)
- [https://support.apple.com/en-us/125886](https://support.apple.com/en-us/125886)
- [https://support.apple.com/en-us/125889](https://support.apple.com/en-us/125889)
- [https://support.apple.com/en-us/125890](https://support.apple.com/en-us/125890)
- [https://support.apple.com/en-us/125891](https://support.apple.com/en-us/125891)
- [https://support.apple.com/en-us/125892](https://support.apple.com/en-us/125892)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-43529 · Markdown: https://rewindex.com/cve/CVE-2025-43529.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-43529 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:09:58.081Z