In a surprise move, Microsoft has released an out-of-cycle patch for the recently exposed IFRAME vulnerability that affects non-Windows XP SP2 users.

Microsoft itself rated the vulnerability “critical” and is recommending that all affected customers (which is everyone that isn’t running XP SP2) should install the patch immediately.

Just last week Microsoft denied that it would be issuing a patch out of cycle for the recently discovered vulnerability.

Microsoft Security Bulletin MS04-040, which the company issued along with the patch, includes a summary of the scope and causes of the vulnerability that the new patch is intended to fix.

Source: Internet.com