AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

AppleCVE-2026-43821

Apple Safari: improper access control

Apple

CVE-2026-43821 · Published Jul 27, 2026 · updated Aug 17, 2026

Medium6.5
Fix: upgrade to 26.6 or later (3 fixed versions below)
Apple advisory

An access issue was addressed with improved access restrictions. This issue is fixed in Safari 26.6, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to read files outside of its sandbox.

Affected versions

PackageAffectedFixed in
Safari
Product
< 26.626.6
iOS and iPadOS
Product
< 18.7.1018.7.10
< 26.626.6
macOS
Product
< 26.626.6
tvOS
Product
< 26.626.6
visionOS
Product
< 26.626.6
watchOS
Product
< 26.626.6
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Severity from
CISA (its enrichment of the CVE record)
Weakness
CWE-284

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