High severity8.8NVD Advisory· Published Nov 10, 2026· Updated Nov 10, 2026
CVE-2026-109492
CVE-2026-109492
Description
Authorization bypass through user-controlled key in Microsoft MCP Gateway allows an authorized attacker to elevate privileges over a network.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- Microsoft November 2026 Patch Tuesday Fixes 1,093 Vulnerabilities, Including Outlook Zero-DayCyber Security News · Nov 10, 2026