Tag: Microsoft Exchange on-premises

Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: Exchange on-premise OWA vulnerability exploited

Cybersecurity Threat Advisory: Exchange on-premise OWA vulnerability exploited

A Microsoft Exchange Server Outlook Web Access (OWA) spoofing vulnerability, tracked as CVE‑2026‑42897, is actively being exploited in the wild. This issue affects Exchange Server 2016, Exchange Server 2019, and Exchange Server Subscription Edition across all update levels. Continue reading...

/ May 22, 2026