CVE-2020-1025

An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation. An attacker who successfully exploited the vulnerability could bypass authentication and achieve improper access. To exploit this vulnerability, an attacker would need to modify the token. The update addresses the vulnerability by modifying how Microsoft SharePoint Server and Skype for Business Server validate tokens.

Se presenta una vulnerabilidad de elevación de privilegios cuando Microsoft SharePoint Server y Skype for Business Server manejan inapropiadamente la comprobación de del token de OAuth, también se conoce como "Microsoft Office Elevation of Privilege Vulnerability"