CVE-2025-43529
Apple Multiple Products Use-After-Free WebKit Vulnerability
CVSS
—
No CVSS
EPSS
8.6%
p94
KEV
YES
Dec 15, 2025
Exploit Today
78
0-100
Published: — · Last modified: —
Product
Apple / Multiple Products
Vulnerability
Apple Multiple Products Use-After-Free WebKit Vulnerability
Added to KEV
Dec 15, 2025
Remediate by
Jan 5, 2026
Known ransomware use
No
Summary description
Apple iOS, iPadOS, macOS, and other Apple products contain a use-after-free vulnerability in WebKit. Processing maliciously crafted web content may lead to memory corruption. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
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.
Notes
https://support.apple.com/en-us/125884 ; https://support.apple.com/en-us/125892 ; https://support.apple.com/en-us/125885 ; https://support.apple.com/en-us/125886 ; https://support.apple.com/en-us/125889 ; https://nvd.nist.gov/vuln/detail/CVE-2025-43529