AI and data stack advisories

Severe, 6 weeks1490Projects326

1490 severe, 6 weeks · 326 projects

AppleCVE-2026-84508

Apple iOS and iPadOS: improper access control

Apple

CVE-2026-84508 · Published Oct 20, 2026 · updated Nov 3, 2026

Medium5.5
Fix: upgrade to 27 or later (3 fixed versions below)
Apple advisory

This issue was addressed with improved validation of the caller's access. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7, visionOS 27. An app may be able to access protected user data.

Affected versions

PackageAffectedFixed in
iOS and iPadOS
Product
< 2727
macOS
Product
< 26.726.7
< 2727
visionOS
Product
< 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
CISA (its enrichment of the CVE record)
Weakness
CWE-284

More Apple advisories

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High 7.5Oct 20Apple iOS and iPadOS: improper authorizationCVE-2026-86977fixed in 27Medium 5.5Oct 20Apple macOS: information disclosureCVE-2026-86979fixed in 27Medium 5.5Oct 20Apple macOS: out-of-bounds writeCVE-2026-86981fixed in 15.8 +1Medium 5.5Oct 20Apple iOS and iPadOS: improper authorizationCVE-2026-86976fixed in 27 +1Medium 5.9Oct 20Apple iOS and iPadOS: denial of serviceCVE-2026-86963fixed in 26.7 +1Medium 4.3Oct 20Apple iOS and iPadOS: out-of-bounds readCVE-2026-86975fixed in 27 +2