7.5
CVSSv3

CVE-2018-0775

Published: 04/01/2018 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

Vulnerability Summary

Microsoft Edge in Windows 10 1709 allows an malicious user to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0758, CVE-2018-0762, CVE-2018-0768, CVE-2018-0769, CVE-2018-0770, CVE-2018-0772, CVE-2018-0773, CVE-2018-0774, CVE-2018-0776, CVE-2018-0777, CVE-2018-0778, and CVE-2018-0781.

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microsoft edge -

microsoft chakracore

Exploits

/* Since the PoC is only triggerable when the "DeferParse" flag enabled and requires a with statement, I think this is simillar to issue 1310 PoC: */ // Enable the flag using '\n'repeat(0x1000) eval(`(function f() { with ({}) { (function () { print(f); })(); } }());` + '\n'repeat(0x1000)); PoC 2: // /ch ...
Microsoft Egde Chakra deferred parsing makes wrong scopes ...