CVE-2021-1647— Microsoft Defender Remote Code Execution Vulnerability
Quick assessment
Affected
Microsoft Microsoft System Center Endpoint Protection
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft Defender是美国微软（Microsoft）公司的一款威胁防护软件。 Microsoft Defender 存在安全漏洞,目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。以下产品及版本受到影响:Windows 10 Version 1607 for x64-based Systems中的Windows Defender,Windows 10 Version 1607 for 32-bit Systems中的Windows Defender,Windows 10 for x
In-the-Wild Activity Observed
cisa_kev · confirmed
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-1647
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Microsoft Defender Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Defender Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Defender 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Defender是美国微软（Microsoft）公司的一款威胁防护软件。 Microsoft Defender 存在安全漏洞,目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。以下产品及版本受到影响:Windows 10 Version 1607 for x64-based Systems中的Windows Defender,Windows 10 Version 1607 for 32-bit Systems中的Windows Defender,Windows 10 for x
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft System Center Endpoint Protection | N/A |
cpe:2.3:a:microsoft:system_center_endpoint_protection:-:*:*:*:*:*:*:*
|
|
| Microsoft | Microsoft System Center 2012 R2 Endpoint Protection | N/A |
cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:r2:*:*:*:*:*:*
|
|
| Microsoft | Microsoft Security Essentials | N/A |
cpe:2.3:a:microsoft:security_essentials:-:*:*:*:*:*:*:*
|
|
| Microsoft | Microsoft System Center 2012 Endpoint Protection | N/A |
cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:-:*:*:*:*:*:*
|
|
| Microsoft | Windows Defender | N/A |
cpe:2.3:a:microsoft:windows_defender:-:*:*:*:*:*:*:*
|
|
II. Public POCs for CVE-2021-1647
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/findcool/cve-2021-1647 | POC Details |
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-1647
请登录查看更多情报信息。
Vendor Advisories for CVE-2021-1647 (1)
Same Patch Batch · Microsoft · 2021-01-12 · 82 CVEs total
| CVE-2021-1671 | 8.8 HIGH | Remote Procedure Call Runtime Remote Code Execution Vulnerability |
| CVE-2021-1700 | 8.8 HIGH | Remote Procedure Call Runtime Remote Code Execution Vulnerability |
| CVE-2021-1701 | 8.8 HIGH | Remote Procedure Call Runtime Remote Code Execution Vulnerability |
| CVE-2021-1707 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2021-1658 | 8.8 HIGH | Remote Procedure Call Runtime Remote Code Execution Vulnerability |
| CVE-2021-1660 | 8.8 HIGH | Remote Procedure Call Runtime Remote Code Execution Vulnerability |
| CVE-2021-1678 | 8.8 HIGH | Windows Print Spooler Spoofing Vulnerability |
| CVE-2021-1664 | 8.8 HIGH | Remote Procedure Call Runtime Remote Code Execution Vulnerability |
| CVE-2021-1666 | 8.8 HIGH | Remote Procedure Call Runtime Remote Code Execution Vulnerability |
| CVE-2021-1667 | 8.8 HIGH | Remote Procedure Call Runtime Remote Code Execution Vulnerability |
| CVE-2021-1674 | 8.8 HIGH | Windows Remote Desktop Protocol Core Security Feature Bypass Vulnerability |
| CVE-2021-1669 | 8.8 HIGH | Windows Remote Desktop Security Feature Bypass Vulnerability |
| CVE-2021-1673 | 8.8 HIGH | Remote Procedure Call Runtime Remote Code Execution Vulnerability |
| CVE-2021-1636 | 8.8 HIGH | Microsoft SQL Elevation of Privilege Vulnerability |
| CVE-2021-1712 | 8.0 HIGH | Microsoft SharePoint Elevation of Privilege Vulnerability |
| CVE-2021-1719 | 8.0 HIGH | Microsoft SharePoint Elevation of Privilege Vulnerability |
| CVE-2021-1718 | 8.0 HIGH | Microsoft SharePoint Server Tampering Vulnerability |
| CVE-2021-1697 | 7.8 HIGH | Windows InstallService Elevation of Privilege Vulnerability |
| CVE-2021-1680 | 7.8 HIGH | Diagnostics Hub Standard Collector Elevation of Privilege Vulnerability |
| CVE-2021-1703 | 7.8 HIGH | Windows Event Logging Service Elevation of Privilege Vulnerability |
Showing top 20 of 82 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: Microsoft
-
CVE-2026-62316
Microsoft UFO: DNS Rebinding → Unauthenticated File Read / C -
CVE-2026-69502
Azure SQL Database Elevation of Privilege Vulnerability -
CVE-2026-69855
Microsoft Copilot in Azure Information Disclosure Vulnerabil -
CVE-2026-69543
Azure Virtual Machines Elevation of Privilege Vulnerability -
CVE-2026-69558
Microsoft Partner Center Information Disclosure Vulnerabilit
V. Comments for CVE-2021-1647
No comments yet