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May 14 | Update Rollup for ActiveX Kill Bits (2820197) Learn more
May 14 | Vulnerability in Microsoft Malware Protection Engine Could Allow Remote Code Execution (2846338) Learn more

Highlights

The time is now. Security development must be a priority for everyone. Read more

Learn how to access your current software security response processes. Read more

Evaluating Microsoft's protection performance and capabilities. Read more

Register for the May 2013 security bulletin webcast. Register now

Security Blogs

Security Center - Bulletins Advisories Tools Guidance Resources

Are Viruses Making a Comeback?
In the six or seven years that we have been publishing the Microsoft Security Intelligence Report (SIR) I have seen many trends emerge over time. The... more
Thursday, May 16 Tim Rains - Microsoft
MS13-037 addressing Pwn2own vulnerabilities
MS13-037 addresses a number of vulnerabilities in Internet Explorer, several of which were reported to us by the TippingPoint Zero Day Initiative (ZDI... more
Tuesday, May 14 swiat
Assessing risk for the May 2013 security updates
Today we released ten security bulletins addressing 33 CVE’s. Two of the bulletins have a maximum severity rating of Critical, and eight have a ... more
Tuesday, May 14 swiat

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