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

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

medtenablePublished 2026-07-16

<p><strong>Four Microsoft SharePoint Server vulnerabilities are under active exploitation, prompting CISA to issue a hardening alert. An additional high-severity flaw recently patched adds pressure for organizations running on-premises deployments.</strong></p><h2>Key Takeaways</h2><ol><li>CISA confirmed active exploitation of three on-premises SharePoint Server vulnerabilities (CVE-2026-32201, CV

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://www.tenable.com/blog/cve-2026-32201-cve-2026-45659-cve-2026-56164-faq-sharepoint-server-exploitation