Russia claims control of multiple settlements, Ukraine claims multiple offensives.

The Russian Ministry of Defense reported on the 26th that over the past 24 hours, the Russian military has taken control of three residential areas in the Sumy region and the Kharkiv region. The report stated that the Russian military struck Ukrainian transportation infrastructure targets, Ukrainian troops, and temporary deployment points of foreign mercenaries in 152 areas. The Russian military also targeted a data processing center located in Kyiv, which provides operational support for mobile internet and the "Starlink" satellite communication system for the Ukrainian Armed Forces. As of 8 a.m. on the 26th, Russian air defense forces had shot down 645 Ukrainian drones over Belgorod Oblast, Bryansk Oblast, and above the Black Sea.

The General Staff of the Ukrainian Armed Forces reported on the 26th that there were a total of 205 combat incidents in the frontline areas over the past day. The Ukrainian Air Force, missile troops, and artillery attacked three Russian drone command and launch points, six artillery systems, and one ammunition depot. Over the past day, multiple attacks were launched against Russian forces in the directions of North Sloviansk, South Sloviansk, and Kursk.