CVE-2018-0856

Name: CVE-2018-0856
Creator: NVD / NIST
Published: 2018-02-15T02:29:03.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 15.71%

Last modified Jun 17, 2026

CVE-2018-0856 is a vulnerability of currently unknown severity. Microsoft Edge and ChakraCore in Microsoft Windows 10 1703 and 1709 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-2018-0840, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.. EPSS estimates a 15.71% chance of exploitation in the next 30 days.

Description

Microsoft Edge and ChakraCore in Microsoft Windows 10 1703 and 1709 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-2018-0840, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.

Metrics

EPSS Probability

15.71%

96.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Microsoft	Chakracore	All versions
Microsoft	Edge	All versions

References

http://www.securityfocus.com/bid/102880Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040372Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0856Patch, Vendor Advisory
http://www.securityfocus.com/bid/102880Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040372Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0856Patch, Vendor Advisory

Timeline

Published: Feb 15, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0856?

How severe is CVE-2018-0856?

Severity scoring for CVE-2018-0856 is pending analysis. The EPSS model estimates a 15.71% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0856?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-0856?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST