by Kastro
Paper/Archive/CVE-2025-43526

CVE-2025-43526

Apple Safari — This issue was addressed with improved URL validation.

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 45.0.450 × 209.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Safari< 26.226.2CNA
macOS< 26.226.2CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsupport.apple.com/en-us/125886refsupport.apple.com/en-us/125892