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<< Back VID 26741 Severity 40 Port 139,445 Protocol TCP Class SMB Detailed Description The Hotfix (MS15-125, 3116184) for 'Cumulative Security Update for Microsoft Edge' has not been applied. This security update resolves vulnerabilities in Microsoft Edge. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Microsoft Edge. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights. Multiple Microsoft Edge Memory Corruption Vulnerabilities Multiple remote code execution vulnerabilities exist when Microsoft Edge improperly accesses objects in memory. The vulnerabilities could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. Microsoft Browser Elevation of Privilege Vulnerability - CVE-2015-6139 An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce content types. An attacker who successfully exploited the vulnerability could run arbitrary script with elevated privileges. Microsoft Browser ASLR Bypass - CVE-2015-6161 A security feature bypass for Microsoft Edge exists as a result of how exceptions are handled when dispatching certain window messages, allowing an attacker to probe the layout of the address space and thereby bypassing Address Space Layout Randomization (ASLR). By itself, the ASLR bypass does not allow arbitrary code execution. However, an attacker could use this ASLR bypass in conjunction with another vulnerability, such as a remote code execution vulnerability, to run arbitrary code on a target system. Successful exploitation of the ASLR bypass requires a user to be logged on and running an affected version of Microsoft Edge. The user would then need to browse to a malicious site. Microsoft Edge Spoofing Vulnerability - CVE-2015-6169 A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP responses. An attacker who successfully exploited this vulnerability could trick a user by redirecting them to a specially crafted website. The specially crafted website could spoof content or be used as a pivot to chain an attack with other vulnerabilities in web services. Microsoft Browser Elevation of Privilege Vulnerability - CVE-2015-6170 An elevation of privilege vulnerability exists when Microsoft Edge does not properly validate permissions under specific conditions, potentially allowing script to be run with elevated privileges. Microsoft Edge XSS Filter Bypass Vulnerability - CVE-2015-6176 An XSS filter bypass vulnerability exists in the way that Microsoft Edge disables an HTML attribute in otherwise appropriately filtered HTTP response data. The vulnerability could allow initially disabled scripts to run in the wrong security context, leading to information disclosure. * Note: This check requires an account with administrative privileges which can log into the host to scan. Absence of this condition will result in the check not being performed and a False Negative for all vulnerable hosts. * References: https://technet.microsoft.com/en-us/library/security/ms15-125 * Platforms Affected: Windows 10 Recommendation Apply the appropriate patch(3116184) for your system, as listed in Microsoft Security Bulletin MS15-125 at https://technet.microsoft.com/en-us/library/security/ms15-125 -- OR -- Patches for Windows platforms are also available from the Microsoft Windows Update Web site, http://windowsupdate.microsoft.com. Windows Update detects what version of Windows you are running and offers the appropriate patch. Related URL CVE-2015-6139,CVE-2015-6140,CVE-2015-6142,CVE-2015-6148,CVE-2015-6151,CVE-2015-6153,CVE-2015-6154,CVE-2015-6155,CVE-2015-6158,CVE-2015-6159 (CVE) Related URL 78501,78511,78517,78518,78527,78528,78529,78530,78531,78532,78533,78534,78535,78536,78537 (SecurityFocus) Related URL (ISS)