CVE-2026-73296 Microsoft UFO: Unauthenticated Mobile MCP access allows remote Android device control and screen disclosure
Unauthenticated remote attackers can control Android devices and view screens via exposed MCP services in Microsoft UFO.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73296?
CVE-2026-73296 is a critical missing authorization vulnerability in microsoft UFO, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Microsoft UFO open-source framework for intelligent automation across devices and platforms. Prior to 3.0.8, create_mobile_data_collection_server and create_mobile_action_server in ufo/client/mcp/http_servers/mobile_mcp_server.py exposed Streamable HTTP MCP services on TCP ports 8020 and 8021 without authentication, allowing an unauthenticated remote attacker to invoke capture_screenshot, get_ui_tree, tap, swipe, type_text, launch_app, press_key, and click_control against an ADB-connected Android device, disclose screen and device data, and modify device state. This issue is fixed in version 3.0.8.
Which versions are affected by CVE-2026-73296?
How do I fix CVE-2026-73296?
No fix has been published for CVE-2026-73296 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-73296 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-73296 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-24fq-m9rr-g3mm.