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7.5

Microsoft Edge allows attackers to run unauthorized code in memory.

CVE-2018-8280 · published 8 years ago
Summary

A security issue in Microsoft Edge could allow hackers to take control of a device if they trick the browser into running malicious code. This affects users of Microsoft Edge and related software. To stay safe, keep your browser and any related software up to date with the latest security patches.

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-2018-8286, CVE-2018-8290, 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
Updated25 Oct 2026
First seen6 Mar 2026
Sources
GHSA-wwm6-r38h-ppg7 · GHSA
CVE-2018-8280 · NVD
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