Microsoft (Office) Data Breach

Microsoft (Office) experienced a data breach that was reported on January 26, 2026. Microsoft Office contains a security feature bypass vulnerability in which reliance on untrusted inputs in a security decision in Microsoft Office could allow an unauthorized attacker to bypass a secu

Key Facts

Organization
Microsoft (Office)
Date Reported
January 26, 2026
Incident Type
unknown
Industry
Technology
Severity Score
5/10
Confidence Level
high

Source

View original source - External link to primary source documentation

Understanding unknown Incidents

Data breaches can result in significant financial, operational, and reputational damage. Organizations should implement defense-in-depth strategies and maintain incident response capabilities.