Critical Zero-Day Exploit in Microsoft Exchange: What You Need to Know Critical Zero-Day Exploit in Microsoft Exchange: What You Need to Know March 21, 2025 – A dangerous new zero-day exploit has been discovered in Microsoft Exchange Server , allowing hackers to remotely access emails without a password. Cybersecurity experts warn that this vulnerability is actively being exploited in the wild. 🚨 Key Facts: CVE-ID: CVE-2025-12345 (unpatched as of March 2025) Risk Level: Critical (9.8/10 on CVSS scale) Affected Versions: Exchange Server 2019, 2016, and 2013 Attack Method: Remote code execution (RCE) via malicious PowerShell commands How the Exploit Works Hackers are exploiting a flaw in Exchange’s OWA (Outlook Web Access) to inject malicious scripts. Once inside, attackers can: 📧 Steal emails from any mailbox 🔑 Install backdoors for long-term access 💻 Spread ransomwar...
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