Almost all are critical and it's important to patch promptly:
Microsoft Security Bulletins - April 2007
http://www.microsoft.com/technet/security/bulletin/ms07-Apr.mspx
| Quote: |
Microsoft is releasing the following security bulletins for newly discovered vulnerabilities:
Bulletin Number
--------------------------------------------------------------
MS07-018 (Critical) Content Management Server 2001 and 2002 [Remote Code Execution]
MS07-019 (Critical) Windows XP [Remote Code Execution]
MS07-020 (Critical) Windows 2000, Windows XP, Windows Server 2003 [Remote Code Execution]
MS07-021 (Critical) All current versions of Microsoft Windows [Remote Code Execution]
MS07-022 (Important) Windows 2000, Windows XP, Windows Server 2003 [Elevation of Privilege] |
The ISC also offers a good analysis each month
http://isc.sans.org/diary.html?storyid=2598
Also, these updates went well on my home and work PCs ... So far, so good.