CVE-2018-0856

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 15.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-02-15 · updated 2026-06-17
Weakness: CWE-787

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.

Affected products

Microsoft ChakraCore: all versions
Microsoft Edge: all versions
Microsoft Edge: Microsoft Windows 10 1703 and 1709.

References

http://www.securityfocus.com/bid/102880
http://www.securitytracker.com/id/1040372
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0856
http://www.securityfocus.com/bid/102880
http://www.securitytracker.com/id/1040372
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0856

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