Microsoft, on Thursday announced an advance notification on the patches that will be released next Tuesday. The announcement reminds us of the earlier bulk patch releases during October 2009.

This month, there will be 13 security bulletins addressing 26 vulnerabilities – five rated Critical, seven Important, and one Moderate. Eleven of the 13 bulletins affect Windows and two bulletins affect Microsoft Office. The Office patches won’t apply to newer versions Office 2007 and Office 2008 for Mac that come equipped with more advanced security functions. The table below provide the total number of bulletins with regard to the operating system version:

Version

Critical

Important

Moderate

Low

Total

Windows 2000

5

3

1

0

9

Windows XP

5

2

1

0

8

Windows Server 2003

4

3

2

0

9

Windows Vista

3

3

0

0

6

Windows Server 2008

3

4

0

1

8

Windows 7

3

2

0

0

5

Windows Server 2008 R2

3

1

0

1

5