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-2018-8466.

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microsoft chakracore -
microsoft edge -

/* The switch statement only handles Js::TypeIds_Array but not Js::TypeIds_NativeIntArray and Js::TypeIds_NativeFloatArray So for example, a native float array can be considered as of type ObjectType::Object under certain circumstances where "objValueTypeIsLikelyArrayOrObjectWithArray()" is not fulfilled As it doesn't install any array type conv ...

Microsoft Edge suffers from a Chakra JIT type confusion bug ...

CWE-787 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8467 http://www.securitytracker.com/id/1041623 http://www.securityfocus.com/bid/105244 https://www.exploit-db.com/exploits/45572/https://nvd.nist.gov https://www.exploit-db.com/exploits/45572/

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CVE-2018-8467

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