Outlook spoofing flaw (CVE-2026-124194) exploited in the wild

medium severity · exploited in the wild · published 2026-11-10

An attacker can perform spoofing over a network with no user interaction required for the unsafe action, making a message or sender appear trustworthy when it is not. This can trick you into accepting a fraudulent identity in Outlook.

CVE: CVE-2026-124194

Source: Microsoft (MSRC)

Get the fix

FixLane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the FixLane MCP server and call get_fix_prompt with incident id 2464 and your operating system.