CVE-2026-86929

HighCVSS 8.8/10Last modified Oct 28, 2026

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to arbitrary code execution.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

VendorProductVersions
ApplemacOS< 15.8.2; < 26.7.2; < 27

References

Timeline

Published
Oct 26, 2026
Last modified
Oct 28, 2026
NVD status
Analyzed

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CVE-2026-86929: High severity, CVSS 8.8 | Vulnix