The final day before electoral silence brought intensified security concerns as Russian hackers targeted the websites of Civic Platform, Lewica, and PSL. President Duda formally requested ABW investigation into "disturbing information" about campaign activities, while Kaczyński claimed foreign funds were being used to "steal the elections from Poles." The Meta corporation contradicted NASK's earlier statements about political advertising.
Polls continued to show Trzaskowski leading with 28-31%, followed by Nawrocki at 24-25% and Mentzen at 10-13%, though analysts noted Nawrocki might be "underestimated" in surveys. Poland's electoral commission chief addressed unusual ballot appearance questions and announced final results would be available within days.
International focus included Russia-Ukraine negotiations in Istanbul ending without breakthrough, with Moscow presenting "unrealistic demands." Electoral silence officially began at 10 PM, concluding an exceptionally tense campaign period.