High severity8.8NVD Advisory· Published Jul 27, 2026· Updated Aug 17, 2026
CVE-2026-64739
CVE-2026-64739
Description
An out-of-bounds write issue was addressed with improved bounds checking. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An attacker may be able to cause unexpected app termination.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- Range: iOS 18.7.10
iPadOS 18.7.10+ 1 more
- (no CPE)range: iPadOS 18.7.10
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <26.6
- Range: macOS Sequoia 15.7.8
Patches
Vulnerability mechanics
References
8- support.apple.com/en-us/128066nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128067nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128068nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128069nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128070nvdRelease 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
6- Apple Patches iOS and macOS, (Mon, Aug 17th)SANS Internet Storm Center · Aug 17, 2026
- Apple Patches Everything (July 2026), (Wed, Jul 29th)SANS Internet Storm Center · Jul 29, 2026
- Apple iOS: 25 Critical Vulnerabilities Patched in Single July 2026 DisclosureVypr Intelligence · Jul 27, 2026
- Apple Patches 25 Critical iOS, iPadOS, and macOS Vulnerabilities in July 2026 DisclosureVypr Intelligence · Jul 27, 2026
- Apple watchOS: 25 Vulnerabilities Patched in Same-Day July 2026 DisclosureVypr Intelligence · Jul 27, 2026
- Apple visionOS: 25 Vulnerabilities Patched in Same-Day July 2026 DisclosureVypr Intelligence · Jul 27, 2026