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Vulnerability record · CVE-2026-43681 · published 27 July 2026

CVE-2026-43681: Apple macos classic buffer overflow vulnerability

Apple · Macos

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A local user may be able to read kernel memory.

7.1 CVSS 3.1 High EPSS 0.17% · top 94.5% CWE-120 · Classic buffer overflow
7.1CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
29 Jul 2026Last modified by NVD

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A local user may be able to read kernel memory.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.apple.com/en-us/128067 Release NotesVendor Advisory
https://support.apple.com/en-us/128071 Release NotesVendor Advisory
https://support.apple.com/en-us/128072 Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-43681), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.