A remote code execution vulnerability exists in PerformancePoint Services for SharePoint Server when the software fails to check the source markup of XML file input, aka 'PerformancePoint Services Remote Code Execution Vulnerability'.
https://www.zerodayinitiative.com/advisories/ZDI-20-874/
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1439