Rapid7

vulnerability

OS X update for WebKit (CVE-2026-28861)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Mar 27, 2026
Added
Mar 27, 2026
Modified
May 12, 2026

Description

A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.

Solution

apple-osx-upgrade-26_4
Title
Rapid7 Labs

2026 Global Threat Landscape Report

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