Microsoft Update is more of a one-stop-shop for Windows patches. The new version of Microsoft Baseline Security Analyzer 2.0 is available on Windows 2000 laptop. MBSA found a FAT partition I use to share data between Windows 2000 and FreeBSD on the same laptop. It was good to apparently see Microsoft Update retrieving the right updates and MBSA confirming it. In any case, MBSA did not report any security vulnerabilities, and I don’t necessarily agree with the “severe risk” assessment.”]
Source: https://taosecurity.blogspot.com/2005/07/trying-microsoft-update-and-mbsa-2.html