Published: 13/09/2018 Updated: 24/08/2020

CVSS v2 Base Score: 7.6 | Impact Score: 10 | Exploitability Score: 4.9

CVSS v3 Base Score: 7.5 | Impact Score: 5.9 | Exploitability Score: 1.6

VMScore: 765

Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8367, CVE-2018-8465, CVE-2018-8467.

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microsoft chakracore
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/* The BailOutOnInvalidatedArrayHeadSegment check uses the JavascriptArray::GetArrayForArrayOrObjectWithArray method to check whether the given object is an array If it's not an array, it will decide to skip the check which means that no bailout will happen The JavascriptArray::GetArrayForArrayOrObjectWithArray method determines it by comparing t ...

Microsoft Edge suffers from a Chakra JIT BailOutOnInvalidatedArrayHeadSegment check bypass vulnerability ...

CWE-787 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8466 http://www.securitytracker.com/id/1041623 http://www.securityfocus.com/bid/105243 https://www.exploit-db.com/exploits/45571/https://nvd.nist.gov https://www.exploit-db.com/exploits/45571/

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CVE-2018-8466

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