CVE-2026-55040

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CVE-2026-55040 — Microsoft SharePoint: Microsoft SharePoint Weak Authentication Vulnerability

1. Executive summary CVE-2026-55040 is a critical (CVSS 9.1) weak authentication vulnerability in Microsoft Office SharePoint that allows an unauthenticated, remote attacker to

18 Aug 2026 · 4 min read read →

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CVE-2026-63520: Microsoft SharePoint Remote Code Execution

1. Executive summary Rapid7 and Microsoft have disclosed CVE-2026-63520, a high-severity (CVSS 8.1) remote code execution vulnerability in Microsoft SharePoint Business Connectivity

11 Aug 2026 · 6 min read read →

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CVE-2026-32201, CVE-2026-45659, CVE-2026-56164: Frequently Asked Questions About Active Exploitation of Microsoft SharePoint Server Vulnerabilities

1. Executive summary CISA has confirmed active in-the-wild exploitation of four Microsoft SharePoint Server vulnerabilities — CVE-2026-32201 (CVSS 6.5 MEDIUM), CVE-2026-

16 Jul 2026 · 8 min read read →