Description
A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
Published: 2026-09-14
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service (unexpected system termination)
Action: Apply Patch
AI Analysis

Impact

The vulnerability is a logic flaw that can be triggered by a malicious application, potentially leading to an unexpected system termination. This issue does not expose data or grant escalation, but system. The description does not detail the exact exploit mechanism, but the impact is a loss of availability for the affected system.

Affected Systems

Apple macOS is affected; the vulnerability exists in releases older than Sequoia 15.8, Tahoe 26.7, and Golden Gate 27. The issue is fixed in these release numbers.

Risk and Exploitability

The EPSS score is less than 1% and the CVSS score of 7.5 indicates high severity. The catalog, indicating no known widespread exploitation as of the latest data. The likely attack vector is a local or potentially remote application exploiting the logic flaw—this inference is based on the description that an app may trigger the termination. As the exploitation details are not explicitly stated, the risk level is best regarded as significant but not confirmed externally.

Generated by OpenCVE AI on September 20, 2026 at 18:08 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Update macOS to the latest release that incorporates Sequoia 15.8, Tahoe 26.7, or Golden Gate 27.
  • Ensure that only trusted applications are installed and run, and remove any software that may attempt to exploit unexpected behavior.
  • Monitor system stability through logs and crash reports, and consider disabling or limiting features that immediate patch is not available.

Generated by OpenCVE AI on September 20, 2026 at 18:08 UTC.

Tracking

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Advisories

No advisories yet.

History

Sun, 20 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Title Logic flaw causing unexpected system termination in macOS

Thu, 17 Sep 2026 22:15:00 +0000

Type Values Removed Values Added
Title Logic flaw causing unexpected system termination in macOS

Wed, 16 Sep 2026 18:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Wed, 16 Sep 2026 12:00:00 +0000

Type Values Removed Values Added
Title Logic Issue Causing Unexpected System Termination in macOS
Weaknesses CWE-400
CWE-703

Tue, 15 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-843
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 15 Sep 2026 08:15:00 +0000

Type Values Removed Values Added
Title Logic Issue Causing Unexpected System Termination in macOS
Weaknesses CWE-400
CWE-703

Tue, 15 Sep 2026 03:00:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Description A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-09-15T19:23:06.853Z

Reserved: 2026-09-01T21:13:17.754Z

Link: CVE-2026-84563

cve-icon Vulnrichment

Updated: 2026-09-15T19:22:54.123Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-14T21:17:32.400

Modified: 2026-09-16T18:05:04.323

Link: CVE-2026-84563

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-20T18:15:17Z

Weaknesses
  • CWE-843

    Access of Resource Using Incompatible Type ('Type Confusion')