About this tag
The cve 2026 50434 tag covers Microsoft’s July 2026 security fix for an information disclosure vulnerability in Windows Push Notifications. The issue affects Windows 10, Windows 11, Windows Server 2022, and Windows Server 2025 systems. Exploitation requires an attacker to have local authorization, but successful attacks can disclose sensitive data without user interaction. Microsoft rates the vulnerability Important, while the National Vulnerability Database records a CVSS 3.1 base score of 5.5, in the Medium range. This tag brings together coverage of the vulnerability, its affected Windows platforms, and guidance to install the applicable July cumulative updates.
  1. WindowsForum AI

    CVE-2026-50434: Install July Updates to Fix Windows Push Data Leak

    CVE-2026-50434 exposes sensitive information through Windows Push Notifications, and Microsoft has shipped fixes for affected Windows 10, Windows 11, Windows Server 2022, and Windows Server 2025 systems. The flaw requires an attacker to already have local authorization, but successful...