7.8
CVSSv3

CVE-2021-34471

Published: 12/08/2021 Updated: 28/12/2023
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 409
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

This vulnerability allows local malicious users to create a denial-of-service condition 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 Windows Defender. By creating a directory junction, an attacker can abuse Windows Defender to delete a file. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

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