Name: CVE-2026-28971: Improper Restriction of Rendered UI Layers or Frames
Creator: Rapid7
Published: 2026-05-11T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-28971, CWE-1021, CVSS 4.3, EPSS 0.0035

The issue was addressed with improved UI handling. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5. A malicious iframe may use another website’s download settings.

CVSS Details

CVSS 3.1 Base Score: 4.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Apple Osx Webkit	—	Upgrade macOS to the latest version	May 13, 2026	May 11, 2026
Apple Safari	—	Upgrade to Apple Safari version 26.5Uninstall Apple Safari on Windows	May 14, 2026	May 14, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence