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Vulnerability record · CVE-2026-84577 · published 14 September 2026

CVE-2026-84577: Apple macos classic buffer overflow vulnerability

Apple · Macos

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7. An app may be able to bypass sandbox restrictions.

8.2 CVSS 3.1 High EPSS 0.17% · top 94.4% CWE-120 · Classic buffer overflow
8.2CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
16 Sep 2026Last modified by NVD

Description

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7. An app may be able to bypass sandbox restrictions.

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

Affected products

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

References

LinkTags
https://support.apple.com/en-us/149035 Release NotesVendor Advisory
https://support.apple.com/en-us/149042 Release NotesVendor Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2026-84577), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.