CVE-2026-28952: An app may be able to cause unexpected system termination in Apple iOS and iPadOS
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to cause unexpected system termination.
AI Analysis
Technical Summary
This vulnerability involves an integer overflow in Apple iOS and iPadOS that may be triggered by a malicious app to cause unexpected system termination (denial of service). The flaw was mitigated by improved input validation and fixed in iOS 18.7.9, iPadOS 18.7.9, and corresponding macOS updates. The CVSS score is 7.5, reflecting a network attack vector with no privileges or user interaction required, and resulting in high impact on availability only.
Potential Impact
An attacker controlling a malicious app could exploit this integer overflow to cause the affected system to terminate unexpectedly, resulting in denial of service. There is no impact on confidentiality or integrity. No active exploitation has been reported.
Mitigation Recommendations
A fix is available in iOS 18.7.9 and iPadOS 18.7.9. Users and administrators should update affected devices to these versions or later to remediate the vulnerability. Since this is not a cloud service, patching the device OS is required. Patch status is confirmed by the vendor advisory.
CVE-2026-28952: An app may be able to cause unexpected system termination in Apple iOS and iPadOS
Description
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to cause unexpected system termination.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer overflow in Apple iOS and iPadOS that may be triggered by a malicious app to cause unexpected system termination (denial of service). The flaw was mitigated by improved input validation and fixed in iOS 18.7.9, iPadOS 18.7.9, and corresponding macOS updates. The CVSS score is 7.5, reflecting a network attack vector with no privileges or user interaction required, and resulting in high impact on availability only.
Potential Impact
An attacker controlling a malicious app could exploit this integer overflow to cause the affected system to terminate unexpectedly, resulting in denial of service. There is no impact on confidentiality or integrity. No active exploitation has been reported.
Mitigation Recommendations
A fix is available in iOS 18.7.9 and iPadOS 18.7.9. Users and administrators should update affected devices to these versions or later to remediate the vulnerability. Since this is not a cloud service, patching the device OS is required. Patch status is confirmed by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-03-03T16:36:03.990Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028759cbff5d86108b645c
Added to database: 05/12/2026, 01:50:17 UTC
Last enriched: 05/19/2026, 10:40:19 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 186
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