CVE-2017-11913

Internet Explorer en Microsoft Windows 7 SP1, Windows Server 2008 y R2 SP1, Windows 8.1 y Windows RT 8.1, Windows Server 2012 y R2, Windows 10 Gold, 1511, 1607, 1703 y 1709 y Windows Server 2016 permite que un atacante ejecute código arbitrario en el contexto del usuario actual por como gestiona Internet Explorer los objetos en la memoria. Esta vulnerabilidad también se conoce como "Scripting Engine Memory Corruption Vulnerability". El ID de este CVE es diferente de CVE-2017-11886, CVE-2017-11889, CVE-2017-11890, CVE-2017-11893, CVE-2017-11894, CVE-2017-11895, CVE-2017-11901, CVE-2017-11903, CVE-2017-11905, CVE-2017-11905, CVE-2017-11907, CVE-2017-11908, CVE-2017-11909, CVE-2017-11910, CVE-2017-11911, CVE-2017-11912, CVE-2017-11914, CVE-2017-11916, CVE-2017-11918 y CVE-2017-11930.

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the handling of VT_BSTR string data in VBScript. By performing actions in VBScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.