CVE-2026-86963: An attacker in a privileged network position may be able to cause a denial-of-service in Apple iOS and iPadOS
Description
CVE-2026-86963 is a denial-of-service vulnerability in Apple iOS and iPadOS that can be triggered by an attacker in a privileged network position. The issue was addressed with improved input validation and fixed in iOS and iPadOS versions 26.7 and 27. An attacker could cause a denial-of-service condition by exploiting this flaw.
Affected software
Apple
iOS and iPadOS
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability allows an attacker who has a privileged position on the network to cause a denial-of-service (DoS) on Apple iOS and iPadOS devices. The root cause was insufficient input validation, which has been corrected in the fixed versions. The flaw affects iOS and iPadOS versions prior to 26.7 and 27, respectively. No CVSS score is available, and no known exploits in the wild have been reported.
Potential Impact
An attacker with privileged network access may cause a denial-of-service condition on affected Apple iOS and iPadOS devices, potentially disrupting device availability or network services. There is no indication of code execution or data compromise from the provided data.
Mitigation Recommendations
The vulnerability is fixed in iOS and iPadOS versions 26.7 and 27. Users and administrators should update devices to these versions or later to remediate the issue. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-08T16:43:41.882Z
- State
- PUBLISHED
Threat ID: 6ad6c19f2cdf04f656e4a8ce
Added to database: 10/20/2026, 01:19:27 UTC
Last enriched: 10/20/2026, 01:33:47 UTC
Last updated: 10/20/2026, 01:34:17 UTC
Views: 8
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