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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-40474— Microsoft Excel 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 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 中存在代码注入漏洞。该漏洞源于外部输入数据构造代码段的过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞生成非法的代码段，修改网络系统或组件的预期的执行控制流。以下产品及版本受到影响：

CVSS 7.8 · High EPSS 2.31% · P83

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-2021-40474

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 Excel Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Excel 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 Excel 代码注入漏洞
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 中存在代码注入漏洞。该漏洞源于外部输入数据构造代码段的过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞生成非法的代码段，修改网络系统或组件的预期的执行控制流。以下产品及版本受到影响：
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 2019 for Mac 16.0.0 ~ 16.54.21101001 cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*
Microsoft Microsoft Office Online Server 16.0.1 ~ 16.0.10379.20000 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 Office LTSC for Mac 2021 16.0.1 ~ 16.54.21101001 cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*
Microsoft Microsoft Office LTSC 2021 16.0.1 ~ https://aka.ms/OfficeSecurityReleases cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*
Microsoft Microsoft Excel 2016 16.0.0.0 ~ 16.0.5227.1000 cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*
Microsoft Microsoft Excel 2013 Service Pack 1 15.0.0.0 ~ 15.0.5389.1000 cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*
Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.1 ~ 15.0.5389.1000 cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1:*:*:*:*:*:*

II. Public POCs for CVE-2021-40474

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-40474

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-40474 (1)

Same Patch Batch · Microsoft · 2021-10-13 · 71 CVEs total

CVE-2021-26427 9.0 CRITICAL Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-36970 8.8 HIGH Windows Print Spooler Spoofing Vulnerability
CVE-2021-40487 8.1 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-41344 8.1 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-38672 8.0 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-41348 8.0 HIGH Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-40461 8.0 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-40464 8.0 HIGH Windows Nearby Sharing Elevation of Privilege Vulnerability
CVE-2021-40449 7.8 HIGH Win32k Elevation of Privilege Vulnerability
CVE-2021-40488 7.8 HIGH Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2021-40450 7.8 HIGH Win32k Elevation of Privilege Vulnerability
CVE-2021-40443 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2021-40471 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2021-40473 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2021-40477 7.8 HIGH Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-40478 7.8 HIGH Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2021-40480 7.8 HIGH Microsoft Office Visio Remote Code Execution Vulnerability
CVE-2021-40485 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2021-40486 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2021-40479 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability

Showing top 20 of 71 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Microsoft Office 2019
Same vendor: Microsoft

V. Comments for CVE-2021-40474

No comments yet

Leave a comment