What happens if you overclock your CPU too high?

Related questions

1. Is MSI Afterburner safe to use?
2. Can overclocking damage motherboard?
3. Is it worth overclocking GPU memory clock?
4. Will overclocking GPU damage it?
5. Should you overclock your GPU?
6. Does CPU overclocking make a difference?
7. How dangerous is overclocking?
8. How much can I OC my RAM?
9. Can I overclock Intel HD graphics?
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Tags

1. #system
2. #without
3. #overclocking
4. #overclock
5. #proper
6. #cooling
7. #failure
8. #complete
9. #damaged
10. #hardware
11. #unstable
12. #result
13. #common
14. #permanently
15. #become
16. #increase