12-year-old Windows Defender bug gives hackers admin rights

Microsoft has fixed a privilege escalation vulnerability in Microsoft Defender Antivirus (formerly Windows Defender) that could allow attackers to gain admin rights on unpatched Windows systems.

Microsoft Defender Antivirus is the default anti-malware solution on over 1 billion systems running Windows 10 according to Microsoft’s stats.

https://www.bleepingcomputer.com/news/security/12-year-old-windows-defender-bug-gives-hackers-admin-rights/