CVE-2026-64739 Details
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.
A vulnerability allowing for out-of-bounds write operations has been identified in multiple Apple products, including iOS, iPadOS, macOS Sequoia, macOS Sonoma, tvOS, watchOS, and visionOS. This vulnerability was addressed with improved bounds checking. However, an attacker may still exploit it to cause unexpected application termination.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 28, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/128066 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/128067 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/128068 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/128069 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/128070 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/128071 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/128072 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/148287 | [email protected] |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple ipados | < 26.6 |
CPE
Remediation
| |
| apple iphone os | < 26.6 |
CPE
Remediation
| |
| apple macos | >= 14.0, < 14.8.8 >= 15.0, < 15.7.8 >= 26.0, < 26.6 |
CPE
Remediation
| |
| apple tvos | < 26.6 |
CPE
Remediation
| |
| apple visionos | < 26.6 |
CPE
Remediation
| |
| apple watchos | < 26.6 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 17, 2026 | CVE Modified | [email protected] |
| Jul 28, 2026 | Initial Analysis | [email protected] |
| Jul 28, 2026 | CVE Modified | CISA-ADP |
| Jul 27, 2026 | New CVE Received | [email protected] |