CVE-2026-64770: A remote attacker may be able to cause unexpected application termination or heap corruption in Apple iOS and iPadOS
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 Analysis
Technical Summary
This vulnerability involves an out-of-bounds write condition in Apple iOS and iPadOS, which could be exploited remotely without user interaction or privileges. Successful exploitation may lead to application crashes or heap corruption, potentially enabling further compromise. Apple has fixed the issue by improving bounds checking in iOS 26.6 and iPadOS 26.6, as well as in related operating systems. No known exploits are reported in the wild at this time.
Potential Impact
A remote attacker can cause unexpected application termination or heap corruption, impacting system stability and potentially enabling further attacks. The CVSS score of 9.8 reflects critical impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in iOS 26.6 and iPadOS 26.6. Users and administrators should update affected devices to these versions or later to remediate the vulnerability. No additional mitigation guidance is provided or required beyond applying the official update.
CVE-2026-64770: A remote attacker may be able to cause unexpected application termination or heap corruption in Apple iOS and iPadOS
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.
CVSS v3.1
Score 9.8critical
Affected software
Apple
iOS and iPadOS
Apple
macOS
Apple
tvOS
Apple
visionOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write condition in Apple iOS and iPadOS, which could be exploited remotely without user interaction or privileges. Successful exploitation may lead to application crashes or heap corruption, potentially enabling further compromise. Apple has fixed the issue by improving bounds checking in iOS 26.6 and iPadOS 26.6, as well as in related operating systems. No known exploits are reported in the wild at this time.
Potential Impact
A remote attacker can cause unexpected application termination or heap corruption, impacting system stability and potentially enabling further attacks. The CVSS score of 9.8 reflects critical impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in iOS 26.6 and iPadOS 26.6. Users and administrators should update affected devices to these versions or later to remediate the vulnerability. No additional mitigation guidance is provided or required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:10:43.924Z
- State
- PUBLISHED
Threat ID: 6a67c1c89c2644c7f8cb15b9
Added to database: 07/27/2026, 20:38:32 UTC
Last enriched: 07/29/2026, 20:22:57 UTC
Last updated: 09/10/2026, 20:02:07 UTC
Views: 55
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