According to Bloomberg, despite the intelligence reports, which detailed the buildup of Ukrainian forces near the border, the General Staff did not tell Vladimir Putin what was going on.

From: Kyiv Post—Russian intelligence had warned of a potential Ukrainian offensive in the Kursk region two weeks before it occurred, but the General Staff of the Russian Armed Forces, led by General Valery Gerasimov, chose to ignore these warnings, according to a Bloomberg report citing Kremlin sources.
Pro-Kyiv forces stormed into Russia’s southwestern Kursk region on Tuesday morning, deploying around 1,000 troops and more than two dozen armored vehicles and tanks, according to Russian military sources.
It appears to be the most significant Ukrainian cross border attack since the war began, with independent analysts suggesting Kyiv’s troops had advanced more than 10 kilometers into Russia.
Despite the intelligence reports, which detailed the buildup of Ukrainian forces near the border, the General Staff did not inform President Vladimir Putin of the situation…