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7.5

Microsoft Edge allows attackers to execute malicious code in memory

CVE-2018-8290 · published 8 years ago
Summary

A security issue exists in Microsoft Edge's Chakra scripting engine, allowing an attacker to run unauthorized code on a user's device. This affects Microsoft Edge users, who should update their browser to the latest version to prevent potential security risks. Update Microsoft Edge to the latest version to stay protected.

What to do
  • Update microsoft microsoft.chakracore to version 1.10.1.
Affected software
Ecosystem VendorProductAffected versions
– microsoft edge All versions
cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*
– microsoft chakracore <= 1.10.0
cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*
nuget microsoft microsoft.chakracore < 1.10.1
Fix: upgrade to 1.10.1
Original advisory text
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." ...
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-2018-8280, CVE-2018-8286, CVE-2018-8294.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
7.5 High
Exploitation
21% chance of attack within 30 days
Type
CWE-787Out-of-bounds Write
Timeline
Published11 Jul 2018
Updated24 Oct 2026
First seen6 Mar 2026
Sources
GHSA-vgxq-xv7f-jxjx · GHSA
CVE-2018-8290 · NVD
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