Apple iMac M1 overheating (because of Pages App)

Apple iMac M1 overheating

Apple M1 with macOS Tahoe v 26.2 All other software is updated too.

I'm going to tell you something that might seem silly or even impossible to most people, but here it is anyway.

A little background information first.

I work with a second monitor connected to my Mac, where I keep the tool palettes for Photoshop and other applications, and where I usually also have Pages open with a blank page to take some notes or write something before posting it on the web.

I have Photoshop and Bridge open almost all day long, I'm editing videos in another application. I have Firefox open with numerous tabs. I watch a lot of YouTube videos, etc. I can be doing all of this almost simultaneously and my CPU temperature rarely exceeds 60ºC to 70ºC.

I had never heard my computer fans running until recently and when that happened, the temperature was already above 90°C. It has already reached 102ºC once.

The first few times I started by shutting down what seemed most obvious to me: Photoshop and similar programs, but the temperature never dropped.

Later on, I discovered through the 'Activity Monitor' that the problem is in Pages. Many times I can't even close the app normally anymore; I have to use ‘Force Quit’ and as soon as it closes, the temperature drops rapidly again to 35ºC to 45ºC.

Is this happening to anyone else here?

What could be causing this and how can it be solved?

Thank you so much in advance.