Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
Published: 2026-10-20
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write Causing System Termination in macOS
Weaknesses CWE-787
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 20 Oct 2026 06:00:00 +0000

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

Tue, 20 Oct 2026 01:15:00 +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 Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.
References

Subscriptions

Apple Macos
cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-10-20T10:11:44.832Z

Reserved: 2026-09-08T16:43:47.663Z

Link: CVE-2026-86981

cve-icon Vulnrichment

Updated: 2026-10-20T10:11:37.925Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T01:17:29.540

Modified: 2026-10-20T15:03:59.857

Link: CVE-2026-86981

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T12:00:16Z

Weaknesses