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CVE-2026-58644

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CVE-2026-58644: Microsoft SharePoint Server Unauthenticated Remote Code Execution Vulnerability Exploited in the Wild

1. Executive summary Microsoft disclosed CVE-2026-58644 on July 14, 2026, a critical (CVSS 9.8) unauthenticated remote code execution (RCE) vulnerability affecting on-premises

17 Jul 2026 · 3 min read read →

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CVE-2026-58644 — Microsoft SharePoint: Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

1. Executive summary CVE-2026-58644 is a critical (CVSS 9.8) deserialization of untrusted data vulnerability in Microsoft SharePoint Server, enabling an unauthenticated, remote attacker

16 Jul 2026 · 3 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 →

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