CVE-2026-84517: An app may be able to cause unexpected system termination in Apple macOS
CVE-2026-84517 is an integer overflow vulnerability in Apple macOS that could allow an application to cause unexpected system termination. The issue has been addressed with improved input validation and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
This vulnerability involves an integer overflow in Apple macOS, which could be triggered by a malicious application to cause the system to terminate unexpectedly. Apple has fixed this issue by improving input validation in the specified macOS versions: Golden Gate 27, Sequoia 15.8, and Tahoe 26.7.
Potential Impact
An attacker with the ability to run an application on the affected macOS versions could cause the system to terminate unexpectedly, potentially leading to denial of service conditions. There is no indication of code execution or privilege escalation from the provided data.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions include improved input validation that addresses the integer overflow vulnerability.
CVE-2026-84517: An app may be able to cause unexpected system termination in Apple macOS
Description
CVE-2026-84517 is an integer overflow vulnerability in Apple macOS that could allow an application to cause unexpected system termination. The issue has been addressed with improved input validation and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
Apple
macOS
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer overflow in Apple macOS, which could be triggered by a malicious application to cause the system to terminate unexpectedly. Apple has fixed this issue by improving input validation in the specified macOS versions: Golden Gate 27, Sequoia 15.8, and Tahoe 26.7.
Potential Impact
An attacker with the ability to run an application on the affected macOS versions could cause the system to terminate unexpectedly, potentially leading to denial of service conditions. There is no indication of code execution or privilege escalation from the provided data.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions include improved input validation that addresses the integer overflow vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.749Z
- State
- PUBLISHED
Threat ID: 6aa8610455bf5e2cf59d2841
Added to database: 09/14/2026, 21:03:00 UTC
Last enriched: 09/14/2026, 22:30:31 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 2
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