CVE-2018-0840

Public Exploit

Description

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Internet Explorer and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0836, CVE-2018-0837, CVE-2018-0838, CVE-2018-0856, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 80.26% Top 5%
Vendor Advisory microsoft.com
Affected: Microsoft Corporation Microsoft Edge, ChakraCore, Internet Explorer
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0840 patch vendor advisory
https://www.exploit-db.com/exploits/44077/ third party advisory vdb entry exploit
http://www.securitytracker.com/id/1040372 third party advisory vdb entry
http://www.securitytracker.com/id/1040369 third party advisory vdb entry
http://www.securityfocus.com/bid/102886 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2018-0840?
CVE-2018-0840 has been scored as a high severity vulnerability.
How to fix CVE-2018-0840?
To fix CVE-2018-0840, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0840 being actively exploited in the wild?
It is possible that CVE-2018-0840 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~80% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0840?
CVE-2018-0840 affects Microsoft Corporation Microsoft Edge, ChakraCore, Internet Explorer.
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