CVE-2021-1647

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-1647
Microsoft Defender Remote Code Execution Vulnerability

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1647 Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647 Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1647
Configurations

Configuration 1 (hide)

AND
cpe:2.3:a:microsoft:windows_defender:-:*:*:*:*:*:*:*
OR cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_2004:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_1909:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2004:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_20h2:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:a:microsoft:security_essentials:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:system_center_endpoint_protection:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:r2:*:*:*:*:*:*
History

22 Oct 2025, 00:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1647 -

21 Oct 2025, 20:18

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1647', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:18

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1647 -
References () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647 - () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647 - Patch, Vendor Advisory
Information

Published : 2021-01-12 20:15

Updated : 2025-10-22 00:17

NVD link : CVE-2021-1647

Mitre link : CVE-2021-1647

CVE.ORG link : CVE-2021-1647

JSON object : View

Products Affected

microsoft

  • windows_10_1909
  • windows_10_1803
  • security_essentials
  • windows_server_20h2
  • windows_8.1
  • windows_10_20h2
  • windows_7
  • windows_server_2019
  • windows_server_2016
  • windows_server_1909
  • windows_10_2004
  • windows_defender
  • windows_server_2012
  • system_center_endpoint_protection
  • windows_10_1607
  • windows_rt_8.1
  • windows_server_2004
  • windows_10_1507
  • windows_10_1809
  • windows_server_2008
CWE
NVD-CWE-noinfo