CVE-2018-8380

Name: CVE-2018-8380
Creator: NVD / NIST
Published: 2018-08-15T17:29:07.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 14.44%

Last modified Jun 17, 2026

CVE-2018-8380 is a vulnerability of currently unknown severity. A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8266, CVE-2018-8381, CVE-2018-8384.. EPSS estimates a 14.44% chance of exploitation in the next 30 days.

Description

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8266, CVE-2018-8381, CVE-2018-8384.

Metrics

EPSS Probability

14.44%

96.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Microsoft	Chakracore	<= 1.10.1
Microsoft	Edge	All versions

References

http://www.securityfocus.com/bid/104979Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041457Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8380Patch, Vendor Advisory
http://www.securityfocus.com/bid/104979Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041457Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8380Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2018-8380?

How severe is CVE-2018-8380?

Severity scoring for CVE-2018-8380 is pending analysis. The EPSS model estimates a 14.44% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8380?

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-2018-8380?

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

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Source: NVD / NIST