Microsoft Windows CVE-2020-16877 Elevation of Privilege Vulnerability

Description

An elevation of privilege vulnerability exists when Microsoft Windows improperly handles reparse points. An attacker who successfully exploited this vulnerability could overwrite or delete a targeted file that would normally require elevated permissions. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and overwrite or delete files. The security update addresses the vulnerability by correcting how Windows handles reparse points.

Affected Applications

Windows 10
Windows Server version 2004 (Server Core installation)
Windows Server version 1909 (Server Core installation)
Windows Server version 1903 (Server Core installation)

CVE References

Other References