⚠️ CISA Known Exploited Vulnerability
Active ThreatThis vulnerability is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog. Active exploitation has been observed in the wild. This poses significant risk to federal enterprises and should be prioritized for immediate patching.
CVE-2025-43529
High CISA KEVVulnerability 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
Common Vulnerability Scoring System
Vector String:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
USN-7957-1
USN-7957-1: WebKitGTK vulnerabilities
CVE-2025-43529
CVE-2025-43529
DSA-6083-1
DSA-6083-1 webkit2gtk - security update
References & Resources
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https://support.apple.com/en-us/125884product-security@apple.com Release Notes Vendor Advisory
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https://support.apple.com/en-us/125885product-security@apple.com Release Notes Vendor Advisory
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https://support.apple.com/en-us/125886product-security@apple.com Release Notes Vendor Advisory
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https://support.apple.com/en-us/125889product-security@apple.com Release Notes Vendor Advisory
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https://support.apple.com/en-us/125890product-security@apple.com Release Notes Vendor Advisory
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https://support.apple.com/en-us/125891product-security@apple.com Release Notes Vendor Advisory
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https://support.apple.com/en-us/125892product-security@apple.com Release Notes Vendor Advisory
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https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529134c704f-9b21-4f2e-91b3-4a467353bcc0 US Government Resource
Severity Details
CISA KEV Status
Listed in CISA's Known Exploited Vulnerabilities catalog
Key Information
- Published Date
- December 17, 2025
