Microsoft Windows Text Services Framework CVE-2020-16921 Information Disclosure Vulnerability

Description

An information disclosure vulnerability exists in Text Services Framework when it fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could potentially read data that was not intended to be disclosed. Note that this vulnerability would not allow an attacker to execute code or to elevate their user rights directly, but it could be used to obtain information that could be used to try to further compromise the affected system. To exploit this vulnerability, an attacker would have to log on to an affected system and open a specially crafted file. The update addresses the vulnerability by correcting how Text Services Framework handles objects in memory.

Affected Applications

Windows 10
Windows Server version 2004 (Server Core installation)
Windows Server version 1903 (Server Core installation)
Windows Server version 1909 (Server Core installation)
Windows Server 2019

CVE References

Other References