AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

AppleCVE-2026-84556

Apple macOS: improper access control

Apple

CVE-2026-84556 · Published Sep 14, 2026 · updated Sep 17, 2026

Medium5.5
Fix: upgrade to 15.8 or later (3 fixed versions below)
Apple advisory

An authorization issue was addressed with improved access control. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to access sensitive user data.

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:H/I:N/A:N
Severity from
NVD
Weakness
CWE-285

More Apple advisories

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Medium 5.5Sep 14Apple macOS: path traversalCVE-2026-86902fixed in 14.8.8 +1Medium 5.5Sep 14Apple iOS and iPadOS: out-of-bounds readCVE-2026-86903fixed in 27 +2High 7.5Sep 14A privacy issue was addressed with improved state managementCVE-2026-86904fixed in 26.7 +2Medium 5.5Sep 14Apple iOS and iPadOS: improper access controlCVE-2026-86905fixed in 27 +2Medium 4.4Sep 14Apple macOS: protection mechanism failureCVE-2026-86909fixed in 27Medium 5.5Sep 14Apple macOS: path traversalCVE-2026-86910fixed in 15.8 +2