CVE-2026-86944: An app may be able to cause unexpected system termination in Apple iOS and iPadOS
Description
CVE-2026-86944 is an out-of-bounds write vulnerability in Apple iOS and iPadOS that could allow an app to cause unexpected system termination. The issue was addressed with improved bounds checking and fixed in iOS 26.7 and iPadOS 26.7, as well as macOS Sequoia 15.8 and macOS Tahoe 26.7.
Affected software
Apple
iOS and iPadOS
Apple
macOS
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write condition in Apple iOS and iPadOS that may allow a malicious app to cause the system to terminate unexpectedly. The flaw was mitigated by enhancing bounds checking mechanisms. The fix is included in iOS 26.7, iPadOS 26.7, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
An attacker controlling an app could exploit this vulnerability to cause unexpected system termination, potentially leading to denial of service on affected devices. There is no indication of code execution or data corruption beyond system termination.
Mitigation Recommendations
Apply the official fixes by updating devices to iOS 26.7, iPadOS 26.7, macOS Sequoia 15.8, or macOS Tahoe 26.7. These updates include improved bounds checking that resolves the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-08T16:43:41.880Z
- State
- PUBLISHED
Threat ID: 6ad6c19d2cdf04f656e4a8bf
Added to database: 10/20/2026, 01:19:25 UTC
Last enriched: 10/20/2026, 01:34:10 UTC
Last updated: 10/20/2026, 01:34:17 UTC
Views: 3
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