Microsoft to release patches for 64 security flaws on Tuesday

April 8, 2011

Microsoft announced Thursday that it plans to release seventeen security bulletins, known as, to address 64  on Tuesday. Nine of the patches are deemed "critical" and eight as "important."

The enormous number of security flaws addressed in the April Patch update is a record for Microsoft. The company also released seventeen security bulletins in December, but these addressed 40 flaws, only two being rated as critical; also a record is the number of flaws being addressed in the update; the most previously addressed was 49 in the October 2010 update, reports Jason Miller of.

The April update covers security vulnerabilities in 7, Windows Vista, Windows XP and various Windows Server editions, as well as versions of  Office applications,, , ,   (IE) including IE6 (which Microsoft is seeking to discontinue) and other applications.

Although Microsoft did not provide details, Microsoft said the update will address a browser bug, discovered in February,  that  could potentially cause a denial-of-service attack, and the Windows  flaw which has allowed  client-side scripts to be run by an attacker in "limited, targeted attacks," Microsoft has said.

"This is a huge update and system administrators should plan for deployment," disclosed Wolfgang Kandek, of.