CVE-2020-16957— Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Quick assessment
Affected
Microsoft Microsoft Office 2019
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 Office是美国微软（Microsoft）公司的一款办公软件套件产品。该产品常用组件包括Word、Excel、Access、Powerpoint、FrontPage等。 Windows Office 存在代码注入漏洞，该漏洞允许攻击者可以在受害者系统上执行任意代码。以下产品及版本受到影响： Microsoft 365 Apps版本， Microsoft Office 2019版本。
Possible ATT&CK Techniques 3 AI
T1047 · Windows Management Instrumentation T1059 · Command and Scripting Interpreter T1203 · Exploitation for Client Execution
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2020-16957
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 Office Access Connectivity Engine Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
<p>A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system.</p>
<p>An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file.</p>
<p>The update addresses the vulnerability by correcting the way the Microsoft Office Access Connectivity Engine handles objects in memory.</p>
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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 Windows Office 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office是美国微软（Microsoft）公司的一款办公软件套件产品。该产品常用组件包括Word、Excel、Access、Powerpoint、FrontPage等。 Windows Office 存在代码注入漏洞，该漏洞允许攻击者可以在受害者系统上执行任意代码。以下产品及版本受到影响： Microsoft 365 Apps版本， Microsoft Office 2019版本。
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 | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft Office 2019 | 19.0.0 ~ https://aka.ms/OfficeSecurityReleases |
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
|
|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 ~ https://aka.ms/OfficeSecurityReleases |
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
|
|
II. Public POCs for CVE-2020-16957
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2020-16957
请登录查看更多情报信息。
Vendor Advisories for CVE-2020-16957 (1)
Same Patch Batch · Microsoft · 2020-10-16 · 89 CVEs total
| CVE-2020-1080 | 8.8 HIGH | Windows Hyper-V Elevation of Privilege Vulnerability |
| CVE-2020-16898 | 8.8 HIGH | Windows TCP/IP Remote Code Execution Vulnerability |
| CVE-2020-16911 | 8.8 HIGH | GDI+ Remote Code Execution Vulnerability |
| CVE-2020-16891 | 8.8 HIGH | Windows Hyper-V Remote Code Execution Vulnerability |
| CVE-2020-16946 | 8.7 HIGH | Microsoft Office SharePoint XSS Vulnerability |
| CVE-2020-16945 | 8.7 HIGH | Microsoft Office SharePoint XSS Vulnerability |
| CVE-2020-16944 | 8.7 HIGH | Microsoft SharePoint Reflective XSS Vulnerability |
| CVE-2020-16951 | 8.6 HIGH | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2020-16952 | 8.6 HIGH | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2020-16940 | 7.8 HIGH | Windows - User Profile Service Elevation of Privilege Vulnerability |
| CVE-2020-16936 | 7.8 HIGH | Windows Backup Service Elevation of Privilege Vulnerability |
| CVE-2020-16939 | 7.8 HIGH | Group Policy Elevation of Privilege Vulnerability |
| CVE-2020-16935 | 7.8 HIGH | Windows COM Server Elevation of Privilege Vulnerability |
| CVE-2020-16932 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2020-16929 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2020-16928 | 7.8 HIGH | Microsoft Office Click-to-Run Elevation of Privilege Vulnerability |
| CVE-2020-16924 | 7.8 HIGH | Jet Database Engine Remote Code Execution Vulnerability |
| CVE-2020-16923 | 7.8 HIGH | Microsoft Graphics Components Remote Code Execution Vulnerability |
| CVE-2020-16967 | 7.8 HIGH | Windows Camera Codec Pack Remote Code Execution Vulnerability |
| CVE-2020-16930 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
Showing top 20 of 89 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Microsoft Office 2019
-
CVE-2024-49026
Microsoft Excel Remote Code Execution Vulnerability -
CVE-2024-49027
Microsoft Excel Remote Code Execution Vulnerability -
CVE-2024-38226
Microsoft Publisher Security Feature Bypass Vulnerability -
CVE-2024-38189
Microsoft Project Remote Code Execution Vulnerability -
CVE-2024-38173
Microsoft Outlook Remote Code Execution Vulnerability
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-2020-16957
No comments yet