Vulnerability · Published Apr 2, 2026 · Assigned by microsoft
CVE-2026-32211Azure MCP Server Information Disclosure Vulnerability
Critical 9.1
In plain English
A critical-severity missing authentication in Azure Web Apps from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.9%top 41.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing authentication for critical function in Azure MCP Server allows an unauthorized attacker to disclose information over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Web Apps | - |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
References
- Azure MCP Server Information Disclosure Vulnerability vendor-advisory, patch