KLA10648
Multiple vulnerabilities in Internet Explorer

Multiple serious vulnerabilities have been found in Microsoft Internet Explorer. Malicious users can exploit these vulnerabilities to Bypass security restrictions, execute arbitrary code or obtain sensitive information.

Below is a complete list of vulnerabilities

1. Multiple memory corruption vulnerabilities can be exploited remotely via a specially designed web site to execute arbitrary code;
2. Improper Address Space Layout Randomization usage can be exploited remotely via a specially designed website to bypass security restrictions;
3. An unknown vulnerability can be exploited remotely via a specially designed file,

Technical details

To exploit (3) attacker must first leverage another vulnerability to cause code execution in IE with EPM. Than malicious can execute Excel, Notepad, PowerPoint or another with unsafe command line parameter. Another part of updates for this vulnerability listed in KLA10646, KLA10645

Microsoft Internet Explorer versions from 7 through 11

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

CVE-2015-2423
CVE-2015-2449
CVE-2015-2441
CVE-2015-2446
CVE-2015-2442
CVE-2015-2448
CVE-2015-2447
CVE-2015-2444
CVE-2015-2443
CVE-2015-2450
CVE-2015-2445
CVE-2015-2452
CVE-2015-2451

3081436
3078071
3082442

Public exploits exist for this vulnerability.