CVE-2026-84590

MediumCVSS 6.5/10Last modified Nov 4, 2026

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination or heap corruption.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
ApplemacOS< 15.8.2; < 26.7.2; < 27.2

References

Timeline

Published
Oct 26, 2026
Last modified
Nov 4, 2026
NVD status
Analyzed

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CVE-2026-84590: Medium severity, CVSS 6.5 | Vulnix