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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2026-55124

Change History

New CVE Received from Microsoft Corporation 7/14/2026 2:18:18 PM

Action Type Old Value New Value
Added Description 

                  
                
              		

              
                
                  
                  
                    
Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

                  
                
              		
            

            

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              CVSS V3.1

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

                  
                
              		
            

            

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              CWE

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
CWE-20

                  
                
              		
            

            

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              CWE

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
CWE-1287

                  
                
              		
            

            

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              Reference

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55124

                  
                
              		
            

            

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              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 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 365 for Mac","versions":[{"version":"1.0.0","lessThan":"16.111.26071215","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office LTSC 2021","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 Office LTSC 2024","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office LTSC for Mac 2021","versions":[{"version":"16.0.1","lessThan":"16.111.26071215","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Office LTSC for Mac 2024","versions":[{"version":"16.0.0","lessThan":"16.111.26071215","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft SharePoint Enterprise Server 2016","platforms":["x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"16.0.5561.1001","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server 2019","platforms":["x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"16.0.10417.20175","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server Subscription Edition","platforms":["x64-based Systems"],"versions":[{"version":"16.0.0","lessThan":"16.0.19725.20434","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Word 2016","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.1","lessThan":"16.0.5561.1000","versionType":"custom","status":"affected"}]}]