2026-009: Critical Vulnerabilities in Microsoft SharePoint

T1Covered by 1 source · first reported by CERT-EU at 24 Sept, 11:56 UTC

[UPDATED] On 14 July 2026, Microsoft released security updates addressing critical remote code execution (RCE) vulnerabilities in Microsoft SharePoint Server. On 20 July 2026, WatchTowr identified a proof-of-concept exploit code and subsequently observed active exploitation of CVE-2026-50522, a…

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Sources

• T12026-009: Critical Vulnerabilities in Microsoft SharePointCERT-EU24 Sept, 11:56

Vulnerabilities

• CVE-2026-50522