CVE-2026-43700

Medium

Description

A cross-origin issue was addressed with improved tracking of security origins. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may disclose sensitive user information.

SeverityMedium
CVSS6.5
Exploit probability—
ProductApple Safari
PublishedJun 29, 2026
First seenJun 29, 2026
Weakness typeCWE-346CWE-346

How to fix

Update
  • apple safari26.5.2 or later
  • apple ipados26.5.2 or later
  • apple iphone_os26.5.2 or later
  • apple macos26.5.2 or later

Affected products

ProductAffected versionsFixed in
apple safariv < 26.5.226.5.2
apple ipadosv < 26.5.226.5.2
apple iphone_osv < 26.5.226.5.2
apple macosv < 26.5.226.5.2

Check your version

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CVE-2026-43700 · Apple Safari · Dark Radar