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CVE-2021-31194— OLE Automation Remote Code Execution Vulnerability

Quick assessment

Affected

Microsoft Windows 10 Version 1803

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft OLE Automation Remote code是美国微软（Microsoft）公司的一个应用软件。一个自动化软件。 Windows OLE存在代码注入漏洞。以下产品和版本受到影响：Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation),Windows Server 2008 R2 for x64-based Systems Service Pack 1,Windows

CVSS 8.8 · High EPSS 2.35% · P83 Updated Feb 25, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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I. Basic Information for CVE-2021-31194

Vulnerability Information

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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

OLE Automation Remote Code Execution Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

OLE Automation Remote Code Execution Vulnerability

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/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 OLE Automation Remote code 代码注入漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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)

Affected Products

Vendor	Product	Affected Versions	CPE
Microsoft	Windows 10 Version 1803	10.0.0 ~ 10.0.17134.2207	`cpe:2.3:o:microsoft:windows_10_1809:10.0.17134.2207::::::x64:`
Microsoft	Windows 10 Version 1809	10.0.0 ~ 10.0.17763.1935	`cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1935::::::x86:`
Microsoft	Windows Server 2019	10.0.0 ~ 10.0.17763.1935	`cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1935:::::::*`
Microsoft	Windows Server 2019 (Server Core installation)	10.0.0 ~ 10.0.17763.1935	`cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1935:::::::*`
Microsoft	Windows 10 Version 1909	10.0.0 ~ 10.0.18363.1556	`cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1556::::::x86:`
Microsoft	Windows Server, version 1909 (Server Core installation)	10.0.0 ~ 10.0.18363.1556	`cpe:2.3:o:microsoft:windows_server_1909:10.0.18363.1556:::::::*`
Microsoft	Windows 10 Version 2004	10.0.0 ~ 10.0.19041.982	`cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.982::::::x64:`
Microsoft	Windows Server version 2004	10.0.0 ~ 10.0.19041.982	`cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.982:::::::*`
Microsoft	Windows 10 Version 20H2	10.0.0 ~ 10.0.19042.982	`cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.982::::::x86:`
Microsoft	Windows Server version 20H2	10.0.0 ~ 10.0.19042.982	`cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.982:::::::*`
Microsoft	Windows 10 Version 1507	10.0.0 ~ 10.0.10240.18931	`cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18931::::::x86:`
Microsoft	Windows 10 Version 1607	10.0.0 ~ 10.0.14393.4401	`cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4401::::::x86:`
Microsoft	Windows Server 2016	10.0.0 ~ 10.0.14393.4401	`cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4401:::::::*`
Microsoft	Windows Server 2016 (Server Core installation)	10.0.0 ~ 10.0.14393.4401	`cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4401:::::::*`
Microsoft	Windows 7	6.1.0 ~ 6.1.7601.24597	`cpe:2.3:o:microsoft:windows_7:6.1.7601.24597:sp1:::::x86:*`
Microsoft	Windows 7 Service Pack 1	6.1.0 ~ 6.1.7601.24597	`cpe:2.3:o:microsoft:windows_7:6.1.7601.24597:sp1:::::x64:*`
Microsoft	Windows 8.1	6.3.0 ~ 6.3.9600.20017	`cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20017::::::x86:`
Microsoft	Windows Server 2008 Service Pack 2	6.0.0 ~ 6.0.6003.21117	`cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21117::::::x64:`
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	6.0.0 ~ 6.0.6003.21117	`cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21117::::::x64:`
Microsoft	Windows Server 2008 Service Pack 2	6.0.0 ~ 6.0.6003.21117	`cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21117::::::x86:`
Microsoft	Windows Server 2008 R2 Service Pack 1	6.1.0 ~ 6.1.7601.24597	`cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.24597::::::x64:`
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	6.0.0 ~ 6.1.7601.24597	`cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.24597::::::x64:`
Microsoft	Windows Server 2012	6.2.0 ~ 6.2.9200.23347	`cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23347::::::x64:`
Microsoft	Windows Server 2012 (Server Core installation)	6.2.0 ~ 6.2.9200.23347	`cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23347::::::x64:`
Microsoft	Windows Server 2012 R2	6.3.0 ~ 6.3.9600.20017	`cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20017::::::x64:`
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.0 ~ 6.3.9600.20017	`cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20017::::::x64:`

II. Public POCs for CVE-2021-31194

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2021-31194

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https://www.cve.org/CVERecord?id=CVE-2021-31194

Same Patch Batch · Microsoft · 2021-05-11 · 52 CVEs total

CVE-2021-28476	9.9 CRITICAL	Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-31166	9.8 CRITICAL	HTTP Protocol Stack Remote Code Execution Vulnerability
CVE-2021-27068	8.8 HIGH	Visual Studio Remote Code Execution Vulnerability
CVE-2021-28455	8.8 HIGH	Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vul
CVE-2021-28474	8.8 HIGH	Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-31181	8.8 HIGH	Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2021-31208	7.8 HIGH	Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31188	7.8 HIGH	Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2021-28465	7.8 HIGH	Web Media Extensions Remote Code Execution Vulnerability
CVE-2021-31211	7.8 HIGH	Visual Studio Code Remote Code Execution Vulnerability
CVE-2021-31165	7.8 HIGH	Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31167	7.8 HIGH	Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31168	7.8 HIGH	Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31180	7.8 HIGH	Microsoft Office Graphics Remote Code Execution Vulnerability
CVE-2021-31170	7.8 HIGH	Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2021-31179	7.8 HIGH	Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31177	7.8 HIGH	Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31175	7.8 HIGH	Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31176	7.8 HIGH	Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31169	7.8 HIGH	Windows Container Manager Service Elevation of Privilege Vulnerability

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1803

Same vendor: Microsoft

V. Comments for CVE-2021-31194

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2021-31194— OLE Automation Remote Code Execution Vulnerability

Quick assessment

Possible ATT&CK Techniques 1 AI

I. Basic Information for CVE-2021-31194

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2021-31194

III. Intelligence Information for CVE-2021-31194

Same Patch Batch · Microsoft · 2021-05-11 · 52 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2021-31194

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