Apple iOS and iPadOS 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 iOS 17 and iPadOS 17, iOS 15.8.7 and iPadOS 15.8.7. An app may be able to execute arbitrary code with kernel privileges.

CISA: Apple iOS and iPadOS contain a use-after-free vulnerability. An app may be able to execute arbitrary code with kernel privileges.

[ 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/120949Release NotesVendor Advisory
• support.apple.com/en-us/126632Release NotesVendor Advisory
• support.apple.com/en-us/HT213938Release NotesVendor Advisory
• support.apple.com/kb/HT213938Release 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