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Unpatched Microsoft Exchange Server vulnerability exploited (CVE-2026-42897)
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Unpatched Microsoft Exchange Server vulnerability exploited (CVE-2026-42897)


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A critical cross-site scripting (XSS) vulnerability (CVE-2026-42897) in Microsoft Exchange Server is being exploited by attackers, Microsoft warned on Thursday. A permanent …

First seen on helpnetsecurity.com

Jump to article: www.helpnetsecurity.com/2026/05/15/exchange-server-cve-2026-42897-exploited/

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