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#2 The Hacker News general May 26, 2026 at 11:49 UTC

Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server Versions

By [email protected] (The Hacker News)

AI Summary

Microsoft issued an out-of-band patch for CVE-2026-45659, a CVSS 8.8 remote code execution vulnerability in SharePoint Server caused by deserialization of untrusted data. The flaw requires no specialized conditions to exploit, making it immediately actionable for attackers with basic access. Admins running any supported SharePoint Server version should prioritize emergency patching given SharePoint's role as a high-value lateral movement target in enterprise environments.

Read full article → https://thehackernews.com/2026/05/microsoft-patche…

Relevance score: 86.0/100

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