{
  "datePublished": "Thu, 23 Jul 2026 09:13:03 CEST",
  "description": "[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 vulnerability part of an ongoing series of actively exploited flaws affecting on-premise SharePoint Server instances, including CVE-2026-32201, CVE-2026-45659, CVE-2026-56164, and CVE-2026-58644.<br>\nCERT-EU strongly recommends updating affected servers immediately, rotating credentials for any assets that may have been exposed to the internet, and conducting a compromise assessment.<br>",
  "id": "CERTEU-2026-009",
  "link": "https://cert.europa.eu/publications/security-advisories/2026-009/",
  "source": "certeu",
  "title": "2026-009: Critical Vulnerabilities in Microsoft SharePoint"
}