CVE-2021-1647
Microsoft Defender Remote Code Execution Vulnerability
KEVHIGH 7.8EPSS 39.7%
Microsoft Defender Remote Code Execution Vulnerability
- Affected
- Microsoft · Microsoft System Center Endpoint Protection · Microsoft System Center 2012 R2 Endpoint Protection · Microsoft Security Essentials · Microsoft System Center 2012 Endpoint Protection · Windows Defender
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 39.65% chance of exploitation in the next 30 days, 99th percentile
- CISA KEV
- added 2021-11-03
- Published
- 2021-01-12
- Updated
- 2025-10-21
Proof-of-concept exploits (1)
- findcool/cve-2021-16471★ · 2021-01-20
Security advisories
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1647
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647