
CVE-2026-124194 - Microsoft Outlook Spoofing Vulnerability
Zero-Day / Patch
Microsoft patched a Microsoft Outlook Spoofing zero-day vulnerability that was actively exploited in attacks to steal NTLM account hashes. "An unauthenticated attacker could send a specially crafted message file and convince a user to open it in an affected version of Microsoft Outlook," warns Microsoft. "Opening the file could cause Outlook to connect to an attacker-controlled network location without displaying the usual external-content warning, potentially disclosing authentication informa

