All perfect praise be to Allah, The Lord of the Worlds. I testify that there is none worthy of worship except Allah, and that Muhammad is His slave and Messenger.
Kissing and touching a non-Mahram woman are not considered major Zina (fornication or adultery). But they fit into the category of minor acts of Zina which is also very bad.
For more benefit, so please refer to Fatwa 82100.
Allah knows best.