Microsoft released three Security Bulletins addressing eight separate vulnerabilities on Tuesday. One critical and two important. MS09-006 ("critical") resolves a vulnerability in the Windows kernel. The flaw could allow remote code execution if a user views a maliciously crafted EMF or WMF image file.

MS09-006 resolves a vulnerability in the Windows kernel. The flaw could allow remote code execution if a user views a maliciously crafted EMF or WMF image file - critical

MS09-007 addresses a vulnerability in the Secure Channel (SChannel) security package in Windows. If exploited, it could allow spoofing, provided the attacker gains access to an end-user authentication certificate - important

MS09-008 fixes vulnerabilities in the Windows DNS server and Windows WINS server. If exploited, these vulnerabilities could allow network traffic hijacking - important.