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The Hacker News 2 weeks, 5 days ago

On-Prem Microsoft Exchange Server CVE-2026-42897 Exploited via Crafted Email

Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come under active exploitation in the wild

More from The Hacker News 15 May 2026, 6:19 p.m. Incident · 4 stories Actively exploited CVE-2026-42897 CVE Disclosure Email Exchange Server Flaw Microsoft Spoofing Vulnerability XSS

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On-Prem Microsoft Exchange Server CVE-2026-42897 Exploited via Crafted Email