4.6
CVSSv2

CVE-2021-1685

Published: 12/01/2021 Updated: 29/12/2023
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.3 | Impact Score: 5.9 | Exploitability Score: 1.3
VMScore: 409
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

This vulnerability allows local malicious users to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the AppX Deployment Service. By creating a directory junction, an attacker can abuse the service to create files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

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microsoft windows 10 1607

microsoft windows server 2016 -

microsoft windows 10 -

microsoft windows 10 1803

microsoft windows server 2019 -

microsoft windows 10 1809

microsoft windows server 2016 1909

microsoft windows 10 1909

microsoft windows 10 2004

microsoft windows server 2016 2004

microsoft windows 10 20h2

microsoft windows server 2016 20h2