Q1 2008 – Client OS Vulnerability Scorecard

This paper is a compilation of vulnerability data for client operating systems for the first 3 month, January through March, of 2008. Vulnerabilities and fixes for the following products are discussed:

  • Microsoft Windows Vista
  • Microsoft Windows XP SP2
  • Red Hat Enterprise Linux Desktop (v. 5 client)
  • Red Hat Enterprise Linux WS (V. 4)
  • Ubuntu 6.06 LTS Desktop
  • Apple Mac OS X 10.5 (Leopard)
  • Apple Mac OS X 10.4 (Tiger)

For January through March of 2008, Mac OS X users experienced the highest number of vulnerabilities as well as the highest number of High severity vulnerabilities while Windows Vista users experienced the fewest and the fewest High severity vulnerabilities.

Here is the chart breaking down all of the OSes by NVD severity ratings:


Download the attached paper for full details.

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About the Author
Jeff Jones

Principal Cybersecurity Strategist

Jeff Jones a 27-year security industry professional that has spent the last decade at Microsoft working with enterprise CSOs and Microsoft's internal teams to drive practical and measurable security improvements into Microsoft products and services. Additionally, Jeff analyzes vulnerability trends Read more »