The U.S. Department of Homeland Security Cybersecurity and Infrastructure Security Agency (CISA) advises the United Kingdom (UK) National Cyber Security Centre (NCSC) has released an Alert to address a vulnerability - CVE-2020-16952 - affecting Microsoft SharePoint server. An attacker could exploit this vulnerability to take control of an affected system. Applying patches from Microsoft’s October 2020 Security Advisory for CVE-2020-16952 can prevent exploitation of this vulnerability. CISA encourages administrators to review the NCSC Alert and the Microsoft Security Advisory for CVE-2020-16952 for more information. Read the advisory at CISA.