CVE-2026-64736: An app may be able to cause unexpected system termination or corrupt kernel memory in Apple iOS and iPadOS
CVE-2026-64736 is an out-of-bounds access vulnerability in Apple iOS and iPadOS that could allow an app to cause unexpected system termination or corrupt kernel memory. The issue is resolved with improved bounds checking and fixed in iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds access flaw in Apple operating systems including iOS and iPadOS. An application could exploit this flaw to cause unexpected system termination or corrupt kernel memory. Apple addressed the issue by implementing improved bounds checking. The vulnerability is fixed in iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27.
Potential Impact
An attacker controlling a malicious app could trigger unexpected system termination or corrupt kernel memory, potentially leading to denial of service or system instability. There is no indication of active exploitation in the wild at this time.
Mitigation Recommendations
Apply the official Apple updates: iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27. These versions contain the fix with improved bounds checking that addresses the vulnerability.
CVE-2026-64736: An app may be able to cause unexpected system termination or corrupt kernel memory in Apple iOS and iPadOS
Description
CVE-2026-64736 is an out-of-bounds access vulnerability in Apple iOS and iPadOS that could allow an app to cause unexpected system termination or corrupt kernel memory. The issue is resolved with improved bounds checking and fixed in iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27.
Affected software
Apple
iOS and iPadOS
Apple
macOS
Apple
tvOS
Apple
visionOS
Apple
watchOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds access flaw in Apple operating systems including iOS and iPadOS. An application could exploit this flaw to cause unexpected system termination or corrupt kernel memory. Apple addressed the issue by implementing improved bounds checking. The vulnerability is fixed in iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27.
Potential Impact
An attacker controlling a malicious app could trigger unexpected system termination or corrupt kernel memory, potentially leading to denial of service or system instability. There is no indication of active exploitation in the wild at this time.
Mitigation Recommendations
Apply the official Apple updates: iOS 26.6.1, iPadOS 26.6.1, macOS Sequoia 15.8, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, and watchOS 27. These versions contain the fix with improved bounds checking that addresses the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-07-20T18:09:54.848Z
- State
- PUBLISHED
Threat ID: 6aa860f755bf5e2cf59d2487
Added to database: 09/14/2026, 21:02:47 UTC
Last enriched: 09/14/2026, 22:25:23 UTC
Last updated: 09/15/2026, 01:47:06 UTC
Views: 2
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