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CVE-2020-16932— Microsoft Excel Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Microsoft Office 2019
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Excel是美国微软（Microsoft）公司的一款Office套件中的电子表格处理软件。 Microsoft Excel 存在安全漏洞，该漏洞源于当软件无法正确处理内存中的对象时，该软件中存在远程执行代码漏洞。攻击者可利用该漏洞可以在当前用户的上下文中运行任意代码。以下产品及版本受到影响： Microsoft Excel 2010 SP2版本， Microsoft Excel 2013 SP1版本， Microsoft Office Online Server版本， Microsof

CVSS 7.8 · High EPSS 4.82% · P91
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I. Basic Information for CVE-2020-16932

Vulnerability Information
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Vulnerability Title
Microsoft Excel Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
<p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.</p> <p>Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Excel. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Excel 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 Excel 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Excel是美国微软（Microsoft）公司的一款Office套件中的电子表格处理软件。 Microsoft Excel 存在安全漏洞，该漏洞源于当软件无法正确处理内存中的对象时，该软件中存在远程执行代码漏洞。攻击者可利用该漏洞可以在当前用户的上下文中运行任意代码。以下产品及版本受到影响： Microsoft Excel 2010 SP2版本， Microsoft Excel 2013 SP1版本， Microsoft Office Online Server版本， Microsof
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 Office Online Server 16.0.1 ~ publication cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 ~ https://aka.ms/OfficeSecurityReleases cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
Microsoft Microsoft Excel 2016 16.0.0.0 ~ publication cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*
Microsoft Microsoft Excel 2010 Service Pack 2 13.0.0.0 ~ publication cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:*
Microsoft Microsoft Excel 2013 Service Pack 1 15.0.0.0 ~ publication cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*
Microsoft Microsoft Office Web Apps 2013 Service Pack 1 15.0.0.0 ~ publication cpe:2.3:a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:*

II. Public POCs for CVE-2020-16932

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III. Intelligence Information for CVE-2020-16932

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Vendor Advisories for CVE-2020-16932 (2)

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-2020-16952 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-16951 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-16935 7.8 HIGH Windows COM Server Elevation of Privilege Vulnerability
CVE-2020-16954 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2020-16940 7.8 HIGH Windows - User Profile Service Elevation of Privilege Vulnerability
CVE-2020-16939 7.8 HIGH Group Policy Elevation of Privilege Vulnerability
CVE-2020-16936 7.8 HIGH Windows Backup Service Elevation of Privilege 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-2020-16930 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2020-16967 7.8 HIGH Windows Camera Codec Pack Remote Code Execution Vulnerability

Showing top 20 of 89 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft Office 2019
Same vendor: Microsoft

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