U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Vulnerability Change Records for CVE-2021-27057

Change History

CVE Modified by Microsoft Corporation 8/19/2026 1:17:49 PM

Action Type Old Value New Value
Added Reference

                  
                
              
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27057
Removed Reference
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27057

                  
                
              
Removed Reference
https://www.zerodayinitiative.com/advisories/ZDI-21-334/

                  
                
              
Removed Reference Type
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27057 Types: Patch, Vendor Advisory

                  
                
              
Removed Reference Type
https://www.zerodayinitiative.com/advisories/ZDI-21-334/ Types: Third Party Advisory, VDB Entry

                  
                
              
Changed Affected
[{"vendor":"Microsoft","product":"Microsoft Office 2019","cpes":["cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*"],"platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"19.0.0","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office 2019 for Mac","cpes":["cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*"],"platforms":["Unknown"],"versions":[{"version":"16.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office Online Server","cpes":["cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*"],"platforms":["Unknown"],"versions":[{"version":"16.0.1","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft 365 Apps for Enterprise","cpes":["cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*"],"platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.1","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Excel 2016","cpes":["cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*","cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office 2016","cpes":["cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*","cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Excel 2010 Service Pack 2","cpes":["cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:*"],"platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"13.0.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Excel 2013 Service Pack 1","cpes":["cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*","cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x86:*","cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x64:*"],"platforms":["ARM64-based Systems","32-bit Systems","x64-based Systems"],"versions":[{"version":"15.0.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office 2010 Service Pack 2","cpes":["cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:*"],"platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"13.0.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office 2013 Service Pack 1","cpes":["cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*","cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x86:*","cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x64:*"],"platforms":["ARM64-based Systems","32-bit Systems","x64-based Systems"],"versions":[{"version":"15.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office Web Apps 2013 Service Pack 1","cpes":["cpe:2.3:a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:*"],"platforms":["Unknown"],"versions":[{"version":"15.0.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]}]
[{"vendor":"Microsoft","product":"Microsoft 365 Apps for Enterprise","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.1","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Excel 2010 Service Pack 2","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"13.0.0.0","lessThan":"14.0.7266.5000","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Excel 2013 Service Pack 1","platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"versions":[{"version":"15.0.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Excel 2016","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.0.0","lessThan":"16.0.5134.1000","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office 2010 Service Pack 2","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"13.0.0.0","lessThan":"14.0.7266.5000","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office 2013 Service Pack 1","platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"versions":[{"version":"15.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office 2016","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"16.0.5134.1000","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office 2019","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"19.0.0","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office 2019 for Mac","versions":[{"version":"16.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office Online Server","versions":[{"version":"16.0.1","lessThan":"16.0.10372.20000","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office Web Apps 2013 Service Pack 1","versions":[{"version":"15.0.0.0","lessThan":"15.0.5327.1000","versionType":"custom","status":"affected"}]}]