Microsoft Warns of Severe Zero-Day Flaw in On-Prem Exchange Servers

Microsoft just sounded the alarm on a severe zero-day flaw in on-prem Exchange servers, warning that a high-severity vulnerability could let attackers send malicious code to victims via specially crafted emails. This flaw, tracked as CVE-2026-42897, has already been automatically mitigated if the EM Service is enabled,…

https://osintsights.com/microsoft-warns-of-severe-zero-day-flaw-in-on-prem-exchange-servers?utm_source=mastodon&utm_medium=social

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