CVE-2026-84567: An app may be able to cause unexpected system termination in Apple macOS
CVE-2026-84567 is a vulnerability in Apple macOS that could allow an application to cause unexpected system termination. The issue was addressed by Apple through improved memory handling and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. This vulnerability affects versions prior to these fixed releases.
AI Analysis
Technical Summary
This vulnerability in Apple macOS allows an application to cause unexpected system termination due to improper memory handling. Apple resolved the issue by improving memory management in the affected components. The fix is included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Versions before these releases are vulnerable.
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 or disruption of normal operations. There is no indication of further impact such as privilege escalation or data compromise.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. These updates include improved memory handling that addresses the vulnerability. No other mitigations are specified.
CVE-2026-84567: An app may be able to cause unexpected system termination in Apple macOS
Description
CVE-2026-84567 is a vulnerability in Apple macOS that could allow an application to cause unexpected system termination. The issue was addressed by Apple through improved memory handling and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. This vulnerability affects versions prior to these fixed releases.
Affected software
Apple
macOS
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apple macOS allows an application to cause unexpected system termination due to improper memory handling. Apple resolved the issue by improving memory management in the affected components. The fix is included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Versions before these releases are vulnerable.
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 or disruption of normal operations. There is no indication of further impact such as privilege escalation or data compromise.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. These updates include improved memory handling that addresses the vulnerability. No other mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.754Z
- State
- PUBLISHED
Threat ID: 6aa8610b55bf5e2cf59d2bf4
Added to database: 09/14/2026, 21:03:07 UTC
Last enriched: 09/14/2026, 22:33:32 UTC
Last updated: 09/15/2026, 03:01:23 UTC
Views: 2
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