Microsoft Baseline Security Analyzer

Microsoft Baseline Security Analyzer (MBSA) is a discontinued software tool which is no longer available from Microsoft that determines security state by assessing missing security updates and less-secure security settings within Microsoft Windows, Windows components such as Internet Explorer, IIS web server, and products Microsoft SQL Server, and Microsoft Office macro settings. Security updates are determined by the current version of MBSA using the Windows Update Agent present on Windows computers since Windows 2000 Service Pack 3. The less-secure settings, often called Vulnerability Assessment (VA) checks, are assessed based on a hard-coded set of registry and file checks. An example of a VA might be that permissions for one of the directories in the /www/root folder of IIS could be set at too low a level, allowing unwanted modification of files from outsiders.

Microsoft Baseline Security Analyzer
Screenshot of Microsoft Baseline Security Analyzer analysis result
Developer(s)Microsoft
Initial release16 August 2004 (2004-08-16)[1]
Stable release
2.3 / 9 January 2015 (2015-01-09)[2]
Operating systemWindows 7, Windows Server 2008, Windows Vista, Windows Server 2003, Windows XP and Windows 2000[2]
PlatformIA-32 and x86-64[2]
Size1.5 ~ 1.7 MB[2]
Available inEnglish, German, French and Japanese[2]
TypeComputer security
LicenseFreeware
Websitetechnet.microsoft.com/en-us/security/cc184924.aspx

Version history

Versions 1.2.1 and below run on NT4, Windows 2000, Windows XP, and Windows Server 2003, provide support for IIS versions 5 through 6, SQL Server 7 and 2000, Internet Explorer 5.01 and 6.0 only, and Microsoft Office 2000 through 2003. Security update assessment is provided by an integrated version of Shavlik's HFNetChk 3.8 scan tool. MBSA 1.2.1 was localized into English, German, French and Japanese versions and supported security assessment for any locale.

Version 2.0 retained the hard-coded VA checks, but replaced the Shavlik security assessment engine with Microsoft Update technologies which adds dynamic support for all Microsoft products supported by Microsoft Update. MBSA 2.0.1 was released to support the revised Windows Update (WU) offline scan file (WSUSSCN2.CAB). MBSA 2.1 added Vista and Windows Server 2008 support, a new Vista-styled GUI interface, support for the latest Windows Update Agent (3.0), a new Remote Directory (/rd) feature and extended the VA checks to x64 platforms.

In the August 2012 Security Bulletin Webcast Q&A on Technet it was announced that "The current version of MBSA (2.2) will not support Windows 8 and Microsoft currently has no plans to release an updated version of the tool."[3]

In November 2013 MBSA 2.3 was released. This release adds support for Windows 8, Windows 8.1, Windows Server 2012, and Windows Server 2012 R2. Windows 2000 will no longer be supported with this release.[4]

Microsoft support and updates for MBSA has ended. The current version 2.3 does not offer official support for Windows 10 or Windows Server 2016. The Microsoft MBSA webpage has been removed.[5]

How MBSA differs from Microsoft Update

MBSA only scans for 3 classes of updates, security updates, service packs and update rollups. Critical and optional updates are left aside.

gollark: Nope.
gollark: !!!
gollark: Oh, weird accursion with pytz, how "helpful".
gollark: That makes absolutely no sense.
gollark: This is even *weirder*. Apparently it's *somehow* generating a timezone offset of exactly 1 minute when I combine the datetimes?!

See also
  • Belarc Advisor

References
  1. "Download Details: Microsoft Baseline Security Analyzer v1.2.1 (for IT Professionals)". Microsoft Download Center. Microsoft Corporation. Archived from the original on 18 June 2009. Retrieved 13 October 2009.
  2. "Download Details: Microsoft Baseline Security Analyzer 2.2 (for IT Professionals)". Microsoft Download Center. Microsoft Corporation. 6 August 2010. Retrieved 21 November 2009.
  3. "August 2012 Security Bulletin Webcast Q&A". Microsoft. Archived from the original on 24 August 2012. Retrieved 20 August 2012.
  4. "Microsoft Baseline Security Analyzer (MBSA) 2.3&#124MBSA". Microsoft. Retrieved 12 November 2013.
  5. "What is Microsoft Baseline Security Analyzer and its uses?". Microsoft. Retrieved October 5, 2018.
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