AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

AppleCVE-2026-84619

Apple macOS: out-of-bounds write

Apple

CVE-2026-84619 · Published Sep 14, 2026 · updated Sep 23, 2026

Medium6.1
Fix: upgrade to 15.8 or later (3 fixed versions below)
Apple advisory

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, macOS Tahoe 26.7. An app may be able to cause unexpected system termination or write kernel memory.

Affected versions

PackageAffectedFixed in
macOS
Product
< 15.815.8
< 26.726.7
< 2727
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Severity from
CISA (its enrichment of the CVE record)
Weakness
CWE-787

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