Microsoft UFO CVE-2026-46416
MEDIUMCVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Lifecycle Timeline
2DescriptionNVD
Microsoft UFO open-source framework for intelligent automation across devices and platforms. In 3.0.1-4-ge2626659, Microsoft UFO creates one shared UFOWebSocketHandler instance and reuses it for multiple authenticated WebSocket connections. The handler stores per-connection protocol objects in mutable instance fields. Each new WebSocket connection overwrites those fields. Later, message handlers send responses through the shared fields instead of through protocol objects bound to the originating connection. As a result, the most recently connected authenticated client can receive protocol responses that belong to another authenticated client.
AnalysisAI
Cross-connection response leakage in Microsoft UFO's WebSocket layer allows an authenticated low-privileged user to receive protocol responses intended for a different authenticated session. The flaw stems from a singleton UFOWebSocketHandler design where per-connection state is stored in shared mutable instance fields, causing each new connection to overwrite the previous connection's protocol object reference. …
Sign in for full analysis, threat intelligence, and remediation guidance.
More from same product – last 7 days
Remote code execution in Microsoft Azure Orbital Spatio allows unauthenticated network attackers to upload dangerous fil
Unsafe deserialization in Microsoft Planetary Computer Pro (Geocatalog) lets a remote unauthenticated attacker craft mal
Remote code execution in Microsoft Power Pages allows unauthenticated network attackers to inject and execute operating-
Privilege elevation in Microsoft Azure Resource Manager (ARM) allows remote unauthenticated attackers to bypass authenti
Privilege escalation in Microsoft Entra ID enables remote unauthenticated attackers to bypass origin validation and gain
Share
External POC / Exploit Code
Leaving vuln.today