Apple Multiple products Use-After-Free Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2026-03-05

[ Description ]Official description

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

CISA: Apple macOS, iOS, iPadOS, and Safari 16.6 contain a use-after-free vulnerability due to the processing of maliciously crafted web content that may lead to memory corruption.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 26 Mar 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.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• support.apple.com/en-us/120324Release NotesVendor Advisory
• support.apple.com/en-us/120331Release NotesVendor Advisory
• support.apple.com/en-us/120338Release NotesVendor Advisory
• support.apple.com/en-us/126632Release NotesVendor Advisory
• cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kitExploitThird Party Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource