A hole saw tin snips etc will slice right through it.
Hole in vinyl siding attic.
You need to be sure the weather stripping and siding itself is properly done to keep the siding water tight.
That said the hole is the least of your effort.
When we cut with a circular saw we often install the blade backwards to minimize ripping and tearing of the vinyl.
This patch will keep the rain.
There are several ways to repair damaged vinyl siding depending on the extent of the damage.
Squirt a generous dollop of exterior caulking that matches the color of the siding into the hole.
Cut a scrap piece of siding to a length that is several inches longer than the hole.
Got a hole in your vinyl siding and want to patch it quickly.
Cover the hole from the back side with foil tape then put the siding back where it belongs.
A siding zip tool pops the piece off from the bottom edge.
You can patch a hole in your vinyl siding in less than three minutes using tear aid type b from sailrite.