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.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2026-20459

Change History

New CVE Received from MediaTek, Inc. 7/01/2026 12:17:14 AM

Action Type Old Value New Value
Added Description 

                  
                
              		

              
                
                  
                  
                    
In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01816800; Issue ID: MSV-6842.

                  
                
              		
            

            

              Added
              CWE

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
CWE-288

                  
                
              		
            

            

              Added
              Reference

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
https://corp.mediatek.com/product-security-bulletin/July-2026

                  
                
              		
            

            

              Added
              Affected

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
[{"vendor":"MediaTek, Inc.","product":"MediaTek chipset","defaultStatus":"unaffected","versions":[{"version":"MT2716","status":"affected"},{"version":"MT2735","status":"affected"},{"version":"MT2737","status":"affected"},{"version":"MT6739","status":"affected"},{"version":"MT6761","status":"affected"},{"version":"MT6762","status":"affected"},{"version":"MT6763","status":"affected"},{"version":"MT6765","status":"affected"},{"version":"MT6767","status":"affected"},{"version":"MT6768","status":"affected"},{"version":"MT6769","status":"affected"},{"version":"MT6771","status":"affected"},{"version":"MT6779","status":"affected"},{"version":"MT6781","status":"affected"},{"version":"MT6783","status":"affected"},{"version":"MT6785","status":"affected"},{"version":"MT6789","status":"affected"},{"version":"MT6813","status":"affected"},{"version":"MT6833","status":"affected"},{"version":"MT6835","status":"affected"},{"version":"MT6853","status":"affected"},{"version":"MT6855","status":"affected"},{"version":"MT6858","status":"affected"},{"version":"MT6873","status":"affected"},{"version":"MT6875","status":"affected"},{"version":"MT6877","status":"affected"},{"version":"MT6878","status":"affected"},{"version":"MT6879","status":"affected"},{"version":"MT6880","status":"affected"},{"version":"MT6881","status":"affected"},{"version":"MT6883","status":"affected"},{"version":"MT6885","status":"affected"},{"version":"MT6886","status":"affected"},{"version":"MT6889","status":"affected"},{"version":"MT6890","status":"affected"},{"version":"MT6891","status":"affected"},{"version":"MT6893","status":"affected"},{"version":"MT6895","status":"affected"},{"version":"MT6896","status":"affected"},{"version":"MT6897","status":"affected"},{"version":"MT6899","status":"affected"},{"version":"MT6980","status":"affected"},{"version":"MT6982","status":"affected"},{"version":"MT6983","status":"affected"},{"version":"MT6985","status":"affected"},{"version":"MT6986","status":"affected"},{"version":"MT6986D","status":"affected"},{"version":"MT6988","status":"affected"},{"version":"MT6989","status":"affected"},{"version":"MT6990","status":"affected"},{"version":"MT6991","status":"affected"},{"version":"MT6993","status":"affected"},{"version":"MT8666","status":"affected"},{"version":"MT8667","status":"affected"},{"version":"MT8668","status":"affected"},{"version":"MT8673","status":"affected"},{"version":"MT8675","status":"affected"},{"version":"MT8676","status":"affected"},{"version":"MT8678","status":"affected"},{"version":"MT8755","status":"affected"},{"version":"MT8765","status":"affected"},{"version":"MT8766","status":"affected"},{"version":"MT8766R","status":"affected"},{"version":"MT8768","status":"affected"},{"version":"MT8771","status":"affected"},{"version":"MT8775","status":"affected"},{"version":"MT8781","status":"affected"},{"version":"MT8786","status":"affected"},{"version":"MT8788","status":"affected"},{"version":"MT8788E","status":"affected"},{"version":"MT8789","status":"affected"},{"version":"MT8791","status":"affected"},{"version":"MT8791T","status":"affected"},{"version":"MT8792","status":"affected"},{"version":"MT8793","status":"affected"},{"version":"MT8795T","status":"affected"},{"version":"MT8796","status":"affected"},{"version":"MT8797","status":"affected"},{"version":"MT8798","status":"affected"},{"version":"MT8863","status":"affected"},{"version":"MT8873","status":"affected"},{"version":"MT8883","status":"affected"},{"version":"MT8893","status":"affected"}]}]