- Russian strikes destroyed targets in Sumy region;
- Russian strikes destroyed targets in Kharkiv region;
- Russian strikes destroyed targets in Zaporozhie region;
- Russian strikes destroyed targets in Kherson region;
- Russian strikes destroyed targets in Khmelnitskyi region;
- Russian strikes destroyed targets in Zhitomir region;
- Russian strikes destroyed targets in Cherkassy region;
- Russian strikes destroyed targets in Kirovograd region;
- Russian strikes destroyed targets in Donetsk region;
- Russian strikes destroyed targets in Dnepropetrovsk region;
- Russian strikes destroyed targets in Chernihiv region;
- Russian strikes destroyed targets in Poltava region;
- Russian strikes destroyed targets in Odessa region;
- Russian strikes destroyed targets in Rivne region;
- Russian strikes destroyed targets in Ivano-Frankivsk;
- The Russian MoD confirmed control of Vladimirovka and Belovody;
- Russian forces advanced in Sumy direction;
- Russian forces advanced in Svatove direction;
- Russian forces advanced in Mirnograd direction;
- Russian forces advanced in Bogatyr direction;
- Russian forces eliminated about 275 servicemen, four armoured vehicles, nine motor vehicles, four field artillery guns in the Kharkiv area;
- Russian forces eliminated about 235 servicemen, a tank, two armoured vehicles, 10 motor vehicles, and three artillery guns in the Svatove area;
- Russian forces eliminated about 205 servicemen, a tank, five armoured vehicles, five motor vehicles, and a field artillery gun in the Chasov Yar area;
- Russian forces eliminated about 475 servicemen, nine armoured vehicles, eight motor vehicles, and an artillery gun in Donetsk region;
- Russian forces eliminated about 160 servicemen, a tank, an APC, 12 motor vehicles, three artillery guns in the Southern Donetsk area;
- Russian forces eliminated about 65 servicemen, four motor vehicles, three EW stations, an ammo depot in the Kherson region;
- Russian air defense forces shot down seven JDAM bombs, five HIMARS MLRS projectiles, 220 UAVs over the past day.
- By the evening of May 26, Russian air defenses destroyed at least 163 Ukrainian drones;
- Russian air defense intercepted at least 30 UAVs in the Tula region;
- Russian air defense intercepted at least 31 UAVs in the Bryansk region;
- Russian air defense intercepted at least 27 UAVs in the Oryol region;
- Russian air defense intercepted at least 24 UAVs in the Kursk region;
- Russian air defense intercepted at least 16 UAVs in the Belgorod region;
- Russian air defense intercepted at least 12 UAVs in the Moscow region;
- Russian air defense intercepted at least 10 UAVs in the Kaluga region;
- Russian air defense intercepted at least 4 UAVs in the Yaroslavl region;
- Russian air defense intercepted at least 4 UAVs in the Ivanovo region;
- Russian air defense intercepted at least 2 UAVs in the Ryazan region;
- Russian air defense intercepted at least 2 UAVs in the Vladimir region;
- Russian air defense intercepted at least 1 UAV in Tatarstan region.
- The Russian MOD confirmed control of Belovody and Vladimirovka villages;
- Russian forces advanced near Vladimirovka;
- Fighting is ongoing in Yunakovka village;
- Russian forces repelled Ukrainian attacks near Tyotkino and Novy Put.
- Russian forces took control of Staraya Nikolaevka;
- Russian forces advanced in Zorya;
- Russian forces took control of Popov Yar;
- Fighting is ongoing north of Toretsk;
- Fighting is ongoing in Petrovka;
- Fighting is ongoing in Chasov Yar.
- Russian forces advanced north of Otradnoye;
- Russian forces advanced east of Fedorovka;
- Russian forces advanced near Bogdanovka;
- Fighting is ongoing in Alekseevka;
- Fighting continues near Veseloe.