CVE-2026-45659

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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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CVE-2026-45659 — Microsoft SharePoint Server: Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability

1. Executive summary Microsoft SharePoint Server contains a deserialization of untrusted data vulnerability (CVE-2026-45659, CVSS 8.8 HIGH, CWE-502) enabling authenticated, remote code

02 Jul 2026 · 8 min read read →

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SharePoint RCE CVE-2026-45659 Added to CISA KEV After Active Exploitation

1. Executive summary CISA added CVE-2026-45659 (CVSS 8.8, HIGH) to its Known Exploited Vulnerabilities (KEV) catalog on 2026-07-01, citing evidence of

02 Jul 2026 · 10 min read read →