High severity8.8NVD Advisory· Published Jul 27, 2026· Updated Aug 17, 2026
CVE-2026-43818
CVE-2026-43818
Description
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Processing a maliciously crafted image may lead to arbitrary code execution.
Affected products
8cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <26.6
- (no CPE)range: 18.7.10
- Range: 18.7.10
- Range: 15.7.8
- Range: 14.8.8
- Range: 26.6
Patches
Vulnerability mechanics
References
5- support.apple.com/en-us/128066nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128067nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128071nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128072nvdRelease NotesVendor Advisory
- support.apple.com/en-us/148287nvd
News mentions
4- Apple Patches iOS and macOS, (Mon, Aug 17th)SANS Internet Storm Center · Aug 17, 2026
- ⚡ Weekly Recap: Rogue AI Models, $88M Bitcoin Theft, Water-System Attacks and Dangling DNS HijacksThe Hacker News · Aug 3, 2026
- Apple Patches Everything (July 2026), (Wed, Jul 29th)SANS Internet Storm Center · Jul 29, 2026
- Update your iPhone, iPad and Mac to fix Apple security holesMalwarebytes Labs · Jul 28, 2026