High severity7.3NVD Advisory· Published May 11, 2026· Updated May 13, 2026
CVE-2026-43656
CVE-2026-43656
Description
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3Patches
Vulnerability mechanics
References
5- support.apple.com/en-us/127110nvdRelease NotesVendor Advisory
- support.apple.com/en-us/127111nvdRelease NotesVendor Advisory
- support.apple.com/en-us/127115nvdRelease NotesVendor Advisory
- support.apple.com/en-us/127116nvdRelease NotesVendor Advisory
- support.apple.com/en-us/127117nvdRelease NotesVendor Advisory
News mentions
1- Apple Patches Everything, (Mon, May 11th)SANS Internet Storm Center · May 11, 2026