PT-2026-27535

CVE-2026-20664

Published

2026-03-24

Updated

2026-10-07

Description by

CVSS 3.1

8.8

High

MetricsAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Safari versions prior to 26.4 iOS versions prior to 26.4 iPadOS versions prior to 26.4 macOS Tahoe versions prior to 26.4 visionOS versions prior to 26.4

Description A flaw exists due to improper memory handling when processing specially crafted web content. This can result in an unexpected process crash.

Recommendations Update Safari to version 26.4. Update iOS to version 26.4. Update iPadOS to version 26.4. Update macOS Tahoe to version 26.4. Update visionOS to version 26.4.

Exploitability

Fix

Impacts

Vendors

Affected products