Disclosure summary
Missing authentication for critical function in Azure MCP Server allows an unauthorized attacker to disclose information over a network.
Source-reported weakness categories
CWE-306
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Apr
Open original source · Updated Apr 02, 2026
Azure MCP Server Information Disclosure Vulnerability
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 9.1
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | Azure Web Apps | (MSRC status code 3) |
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-04-02T03:00:00-04:00
MODIFIED 2026-04-02T03:00:00-04:00
INGESTED 2026-10-08T12:45:05-04:00