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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2026-70354

Change History

New CVE Received from Microsoft Corporation 8/11/2026 1:19:12 PM

Action Type Old Value New Value
Added Description 

                  
                
              		

              
                
                  
                  
                    
Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.

                  
                
              		
            

            

              Added
              CVSS V3.1

              
                
                  
                  
                    

                  
                
              		

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

                  
                
              		
            

            

              Added
              CWE

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
CWE-787

                  
                
              		
            

            

              Added
              Reference

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70354

                  
                
              		
            

            

              Added
              Affected

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
[{"vendor":"Microsoft","product":".NET 10.0","versions":[{"version":"10.0.0","lessThan":"10.0.11","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":".NET 8.0","versions":[{"version":"8.0.0","lessThan":"8.0.30","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":".NET 9.0","versions":[{"version":"9.0.0","lessThan":"9.0.19","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5","platforms":["Windows 11 Version 26H1 for ARM64-based Systems","Windows 11 version 26H1 for x64-based Systems","Windows Server 2012","Windows Server 2012 (Server Core installation)","Windows Server 2012 R2","Windows Server 2012 R2 (Server Core installation)"],"versions":[{"version":"3.5.0","lessThan":"2.0.50727.8984 & 3.0.30729.8980","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2","platforms":["Windows 10 Version 1607 for 32-bit Systems","Windows 10 Version 1607 for x64-based Systems","Windows Server 2016","Windows Server 2016 (Server Core installation)"],"versions":[{"version":"3.0.0.0","lessThan":"2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2","platforms":["Windows 10 Version 1809 for 32-bit Systems","Windows 10 Version 1809 for ARM64-based Systems","Windows 10 Version 1809 for x64-based Systems","Windows Server 2019","Windows Server 2019 (Server Core installation)"],"versions":[{"version":"4.7.0","lessThan":"2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8","platforms":["Windows 10 Version 1809 for 32-bit Systems","Windows 10 Version 1809 for ARM64-based Systems","Windows 10 Version 1809 for x64-based Systems","Windows 10 Version 21H2 for 32-bit Systems","Windows 10 Version 21H2 for ARM64-based Systems","Windows 10 Version 21H2 for x64-based Systems","Windows 10 Version 22H2 for 32-bit Systems","Windows 10 Version 22H2 for ARM64-based Systems","Windows 10 Version 22H2 for x64-based Systems","Windows Server 2019","Windows Server 2019 (Server Core installation)","Windows Server 2022","Windows Server 2022 (Server Core installation)"],"versions":[{"version":"4.8.0","lessThan":"2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8.1","platforms":["Windows 10 Version 21H2 for 32-bit Systems","Windows 10 Version 21H2 for ARM64-based Systems","Windows 10 Version 21H2 for x64-based Systems","Windows 10 Version 22H2 for 32-bit Systems","Windows 10 Version 22H2 for ARM64-based Systems","Windows 10 Version 22H2 for x64-based Systems","Windows 11 Version 23H2 for ARM64-based Systems","Windows 11 Version 23H2 for x64-based Systems","Windows 11 Version 24H2 for ARM64-based Systems","Windows 11 Version 24H2 for x64-based Systems","Windows 11 Version 25H2 for ARM64-based Systems","Windows 11 Version 25H2 for x64-based Systems","Windows Server 2022","Windows Server 2022 (Server Core installation)","Windows Server 2025","Windows Server 2025 (Server Core installation)"],"versions":[{"version":"4.8.1","lessThan":"2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2","platforms":["Windows Server 2012","Windows Server 2012 (Server Core installation)","Windows Server 2012 R2","Windows Server 2012 R2 (Server Core installation)"],"versions":[{"version":"4.7.0","lessThan":"4.7.4144.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8","platforms":["Windows 10 Version 1607 for 32-bit Systems","Windows 10 Version 1607 for x64-based Systems","Windows Server 2012","Windows Server 2012 (Server Core installation)","Windows Server 2012 R2","Windows Server 2012 R2 (Server Core installation)","Windows Server 2016","Windows Server 2016 (Server Core installation)"],"versions":[{"version":"4.8.0","lessThan":"4.8.4805.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8.1","platforms":["Windows 11 Version 26H1 for ARM64-based Systems","Windows 11 version 26H1 for x64-based Systems"],"versions":[{"version":"4.8.0.0","lessThan":"4.8.9344.0","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Visual Studio 2022 version 17.14","versions":[{"version":"17.14.0","lessThan":"17.14.38","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Visual Studio 2026 version 18.8","versions":[{"version":"18.0","lessThan":"18.8.3","versionType":"custom","status":"affected"}]}]