Three of the 10 bulletins will be rated critical, Microsoft s highest severity rating. The flaws addressed in those bulletins typically expose users to remote code execution attacks. Six of the bulletins affect Windows; of those, two carry a Critical severity rating and four are rated Important. Two bulletins, both with a severity rating of Important, affect Microsoft Office; one affects both Windows and Office. Another affects Internet Explorer; six of those affect Windows. Two of those are Critical severity ratings; four are Important.
Source: https://threatpost.com/ms-patch-tuesday-heads-10-bulletins-34-vulnerabilities-060310/74057/