PT-2026-91700 · Apple · Apple Macos

CVE-2026-86901

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Published

2026-09-14

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Updated

2026-09-18

CVSS v3.1

7.1

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Name of the Vulnerable Software and Affected Versions macOS versions prior to Golden Gate 27
Description An out-of-bounds write issue exists where mounting a maliciously crafted exFAT volume can lead to unexpected system termination or kernel memory disclosure. This occurs due to insufficient bounds checking during memory write operations.
Recommendations Update to macOS Golden Gate 27.

Fix

Memory Corruption

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Weakness Enumeration

Related Identifiers

CVE-2026-86901

Affected Products

Apple Macos