Hackers often focus on flaws in Microsoft products since they are commonly employed in various institutions and personal computers, which means they have a bigger area to attack.  This is because these systems could be used as an entry point into sensitive information, letting attackers take over or spread malicious software and malware without permission. Cybersecurity researchers at BeyondTrust recently detected over 1200 vulnerabilities in Microsoft products in 2023.

Source: GBHackers