Microsoft has released 5 Security Bulletins (Severity: 1 is critical ; 4 are important) that multiple vulnerabilities in Microsoft Windows, Internet Explorer and Microsoft Office on 11 June 2013. These vulnerabilities could allow remote code execution, information disclosure, denial of service, or elevation of privilege. Microsoft has released updates to address these vulnerabilities.
Users are advised to perform Microsoft Update and apply the required services pack or update as soon as possible.
You may perform Windows Update through Internet Explorer 7/8/9/10 browser.
(1) In the Menu bar, click "Tools", then choose "Windows Update". Or;
(2) In the Command bar, click "Safety", then choose "Windows Update".
For details, please refer to: