Microsoft released security updates for Microsoft Excel to resolve security vulnerabilities. Details of the security vulnerability and the corresponding security updates are shared below.
Salient points
- KB5002810 is the security update for Microsoft Excel 2016 addressing 3 security vulnerabilities. KB5002810 supersedes KB5002757.
- KB5002811 is the security update for Microsoft Excel 2016 addressing 7 security vulnerabilities. KB5002811 supersedes KB5002794
KB5002810 fixes 3 vulnerabilities. KB5002811 fixes these 3 vulnerabilities and 4 additional vulnerabilities. So, you could ideally patch KB5002811 to fix all these known security vulnerabilities.
The details of security vulnerabilities fixed in Microsoft Excel 2016 for 32 bit and 64 bit installations are shared below.
Security vulnerabilities
Together, KB5002810 and KB5002811 address the following 7 security vulnerabilities in Microsoft Excel 2016 as part of November 2025 security updates released on 11 November 2025 by Microsoft.
| CVE Details | Security Update | Severity | Impact |
|---|---|---|---|
| CVE-2025-62203 | KB5002811 | 7.8 | Remote Code Execution |
| CVE-2025-62202 | KB5002811 | 7.1 | Information Disclosure |
| CVE-2025-62202 | KB5002810 | 7.1 | Information Disclosure |
| CVE-2025-62201 | KB5002811 | 7.8 | Remote Code Execution |
| CVE-2025-62200 | KB5002811 | 7.8 | Remote Code Execution |
| CVE-2025-59240 | KB5002811 | 5.5 | Information Disclosure |
| CVE-2025-60727 | KB5002811 | 7.8 | Remote Code Execution |
| CVE-2025-60727 | KB5002810 | 7.8 | Remote Code Execution |
| CVE-2025-60726 | KB5002811 | 7.1 | Information Disclosure |
| CVE-2025-60726 | KB5002810 | 7.1 | Information Disclosure |
You can notice that KB5002811 includes KB5002810. The builds corresponding to each security update are:
- KB5002810 corresponds to build 16.0.5526.1003
- KB5002811 corresponds to build 16.0.5526.1002
Upon installation, security updates for Excel 2016 do not cause a reboot. However, if the server had underlying updates to implement, the server may reboot during the update process.
Installing KB5002811 and KB5002811
You may install KB5002811 and KB5002810 automatically using Microsoft Update.
Or, you could download the installer files for KB5002810 and KB5002811 from the following sites:
- Microsoft Download Center
- Microsoft Catalog containing all the offline installer files
You must exercise caution as the installer files for KB5002810 and KB5002811 are available in separate files for 32 bit and 64 bit editions.
Direct download links of the offline installer file for KB5002810 and KB5002811 are shared below:
We would like to reiterate that the security update is offered for 32 bit and 64 bit architectures in different files. So, please use the correct installer file for Microsoft Excel 2016 security updates for November 2025.
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