7.6
CVSSv2

CVE-2017-11840

Published: 15/11/2017 Updated: 01/12/2017
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

ChakraCore and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016 and Windows Server, version 1709 allows an malicious user to gain the same user rights as 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-2017-11836, CVE-2017-11837, CVE-2017-11838, CVE-2017-11839, CVE-2017-11841, CVE-2017-11843, CVE-2017-11846, CVE-2017-11858, CVE-2017-11859, CVE-2017-11861, CVE-2017-11862, CVE-2017-11866, CVE-2017-11869, CVE-2017-11870, CVE-2017-11871, and CVE-2017-11873.

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microsoft chakracore

microsoft edge

Exploits

/* Source: bugschromiumorg/p/project-zero/issues/detail?id=1365 Some background: bugschromiumorg/p/project-zero/issues/detail?id=1364 There's one more place that emits a BailOnNotObject opcode Here's a snippet of GlobOpt::OptTagChecks if (valueTypeCanBeTaggedValue() && !valueTypeHasBeenNumber() &&a ...
Microsoft Edge Chakra JIT GlobOpt::OptTagChecks must consider IsLoopPrePass properly ...

Recent Articles

It's 2017 – and your Windows PC can be forced to run malware-stuffed Excel macros
The Register • Shaun Nichols in San Francisco • 15 Nov 2017

Not enough? How about a few dozen PDF remote code holes?

Microsoft and Adobe are getting into the holiday spirit this month by gorging users and admins with a glut of security fixes. The November of Patch Tuesday brings fixes for more than 130 bugs between the two software giants for products including IE, Edge, Office, Flash Player and Acrobat. Microsoft's patch dump addresses a total 53 CVE-listed vulnerabilities, including three that already have been publicly detailed. Those include CVE-2017-11827, a memory corruption flaw in Edge and IE that lets...