CVE-2025-46299

Medium

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may disclose internal states of the app.

SeverityMedium
CVSS4.3
Exploit probability—
ProductApple Safari
PublishedJan 9, 2026
First seenJan 9, 2026

How to fix

Update
  • apple safari26.2 or later
  • apple ipados26.2 or later
  • apple iphone_os26.2 or later
  • apple macos26.2 or later
  • apple tvos26.2 or later
  • apple visionos26.2 or later
  • apple watchos26.2 or later

Affected products

ProductAffected versionsFixed in
apple safariv < 26.226.2
apple ipadosv < 26.226.2
apple iphone_osv < 26.226.2
apple macosv < 26.226.2
apple tvosv < 26.226.2
apple visionosv < 26.226.2
apple watchosv < 26.226.2

Check your version

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CVE-2025-46299 · Apple Safari · Dark Radar