Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination.
Published: 2026-10-26
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 04 Nov 2026 18:15:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write Can Cause System Crash on macOS

Wed, 04 Nov 2026 17:45:00 +0000

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

Wed, 04 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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


Tue, 27 Oct 2026 04:30:00 +0000

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

Mon, 26 Oct 2026 21:00:00 +0000

Type Values Removed Values Added
Description An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-11-04T14:40:07.180Z

Reserved: 2026-09-01T21:13:17.751Z

Link: CVE-2026-84539

cve-icon Vulnrichment

Updated: 2026-11-04T14:39:59.030Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-26T21:20:05.610

Modified: 2026-11-04T17:36:11.893

Link: CVE-2026-84539

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T18:00:16Z

Weaknesses