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Critical 9.8Published Dec 17, 2025

CVE-2025-43526This issue was addressed with improved URL validation.

Updated under an hour ago ()

Does this affect you?

It affects apple safari and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-601
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Modified
Record last updated
Jun 17, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
apple safari
apple:safari
before 26.2
NVD
apple macos
apple:macos
before 26.2
NVD

References

  • release-notes, vendor-advisory
  • release-notes, vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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