CVE-2021-1647

HighCVSS 7.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

Microsoft Defender Remote Code Execution Vulnerability

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Jan 12, 2021
Last modified
Jun 17, 2026
Added to CISA KEV
Nov 3, 2021
NVD status
Analyzed

Related CVEs from 2021

CVE-2021-1647: High severity, CVSS 7.8 | Vulnix