19th May 2026 Cyber Update: Exchange Zero-Day Puts On-Prem Mail Servers Back in the Spotlight
Microsoft has confirmed active exploitation of CVE-2026-42897, putting exposed on-prem Exchange and Outlook Web Access environments back under pressure.
Instructure has confirmed that a criminal threat actor accessed Canvas user information and messages, while ShinyHunters claims a far larger education-sector data haul affecting millions of students, teachers, and institutions worldwide.
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