Microsoft Threat Intelligence examines CVE-2026-73570 exploitation in Zimbra, including observed attack paths, detection opportunities, and mitigation guidance. The post Unauthenticated command injection on internet-facing mail servers: tracking CVE-2026-73570 appeared first on Microsoft Security Blog .
Unauthenticated command injection on internet-facing mail servers: tracking CVE-2026-73570
calendar_today
September 30, 2026
person
Microsoft Security Research, Mahesh Mandava and Rajesh Kumar Natarajan
domain
microsoft-defender