This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac with Lockdown Mode enabled, web content opened via a file URL may be able to use Web APIs that should be restricted.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Safari | — | Upgrade macOS to the latest version | Jan 22, 2026 | Dec 12, 2025 |
| Apple Safari | — | Uninstall Apple Safari on WindowsUpgrade to Apple Safari version 26.2 | Dec 15, 2025 | Dec 15, 2025 |
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