No, as I have said here and elsewhere, the Russia nuclear command requires 3 people at the top to OK usage, not just 2 like the US does, and the other 2 code-holders are not interested in nuclear suicide.That's functionally the same thing since he's the one controlling their nuclear arsenal.
The chain of command for potential Russian nuclear strikes
Russian President Vladimir Putin said at the weekend that his nation's nuclear forces should be put on high alert, raising fears that Russia's invasion of Ukraine could lead to nuclear escalation.
www.reuters.com