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CVE-2021-27058— Microsoft Office ClickToRun Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Microsoft 365 Apps for Enterprise
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 ClickToRun是美国微软（Microsoft）公司的一款用于下载和安装Microsoft Office产品的组件。 Microsoft Office ClickToRun 存在安全漏洞。以下产品和版本受到影响：Microsoft 365 Apps for Enterprise for 32-bit Systems,Microsoft 365 Apps for Enterprise for 64-bit Systems。

CVSS 7.8 · High EPSS 3.54% · P88

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Microsoft 365 Apps for Enterprise 16.0.1< https://aka.ms/OfficeSecurityReleases affected
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I. Basic Information for CVE-2021-27058

Vulnerability Information
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Vulnerability Title
Microsoft Office ClickToRun Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Office ClickToRun Remote Code Execution Vulnerability
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 Office ClickToRun 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office ClickToRun是美国微软（Microsoft）公司的一款用于下载和安装Microsoft Office产品的组件。 Microsoft Office ClickToRun 存在安全漏洞。以下产品和版本受到影响：Microsoft 365 Apps for Enterprise for 32-bit Systems,Microsoft 365 Apps for Enterprise for 64-bit Systems。
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 365 Apps for Enterprise 16.0.1 ~ https://aka.ms/OfficeSecurityReleases -

II. Public POCs for CVE-2021-27058

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III. Intelligence Information for CVE-2021-27058

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Vendor Advisories for CVE-2021-27058 (2)

Same Patch Batch · Microsoft · 2021-03-11 · 80 CVEs total

CVE-2021-26867 9.9 CRITICAL Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-26897 9.8 CRITICAL Windows DNS Server Remote Code Execution Vulnerability
CVE-2021-26895 9.8 CRITICAL Windows DNS Server Remote Code Execution Vulnerability
CVE-2021-26894 9.8 CRITICAL Windows DNS Server Remote Code Execution Vulnerability
CVE-2021-26893 9.8 CRITICAL Windows DNS Server Remote Code Execution Vulnerability
CVE-2021-26877 9.8 CRITICAL Windows DNS Server Remote Code Execution Vulnerability
CVE-2021-27080 9.3 CRITICAL Azure Sphere Unsigned Code Execution Vulnerability
CVE-2021-26876 8.8 HIGH OpenType Font Parsing Remote Code Execution Vulnerability
CVE-2021-27085 8.8 HIGH Internet Explorer Remote Code Execution Vulnerability
CVE-2021-27076 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-26865 8.8 HIGH Windows Container Execution Agent Elevation of Privilege Vulnerability
CVE-2021-26411 8.8 HIGH Internet Explorer Memory Corruption Vulnerability
CVE-2021-26864 8.4 HIGH Windows Virtual Registry Provider Elevation of Privilege Vulnerability
CVE-2021-24089 7.8 HIGH HEVC Video Extensions Remote Code Execution Vulnerability
CVE-2021-24108 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-26889 7.8 HIGH Windows Update Stack Elevation of Privilege Vulnerability
CVE-2021-26887 7.8 HIGH Microsoft Windows Folder Redirection Elevation of Privilege Vulnerability
CVE-2021-26885 7.8 HIGH Windows WalletService Elevation of Privilege Vulnerability
CVE-2021-26891 7.8 HIGH Windows Container Execution Agent Elevation of Privilege Vulnerability
CVE-2021-26882 7.8 HIGH Remote Access API Elevation of Privilege Vulnerability

Showing top 20 of 80 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft 365 Apps for Enterprise
Same vendor: Microsoft

V. Comments for CVE-2021-27058

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