Advisory Details

August 24th, 2017

Microsoft Edge DOMAttrModified Type Confusion Remote Code Execution Vulnerability

CVE ID	CVE-2017-8496
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Edge
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Edge. 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 the DOMAttrModified event. By manipulating a document's elements an attacker can trigger a type confusion condition. An attacker can leverage this vulnerability to execute code under the context of the process.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8496
DISCLOSURE TIMELINE	2017-06-12 - Vulnerability reported to vendor 2017-08-24 - Coordinated public release of advisory
CREDIT	Jose A. Vazquez

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