Critical severity9.8NVD Advisory· Published Jul 27, 2026· Updated Aug 17, 2026
CVE-2026-64770
CVE-2026-64770
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. A remote attacker may be able to cause unexpected application termination or heap corruption.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
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: 15.7.8
- Range: 18.7.10
Patches
Vulnerability mechanics
References
7- support.apple.com/en-us/128066nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128067nvdRelease 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
4- 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 visionOS: 25 Vulnerabilities Patched in Same-Day July 2026 DisclosureVypr Intelligence · Jul 27, 2026
- Apple iOS 26.6: 25 Vulnerabilities Patched, Including Memory Corruption and Sandbox EscapesVypr Intelligence · Jul 27, 2026