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CVE-2016-7201 — Vulnerability in Microsoft.ChakraCore — CVE Details

HIGH
Actively Exploited

ChakraCore RCE Vulnerability

Published May 14, 2022Updated October 22, 2025Source: osv

What Should I Do?

Patch Immediately

This vulnerability is confirmed under active exploitation (CISA KEV). Patch within 24-48 hours if possible.

Summary

The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-7200, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.

Advisory Timeline

  • First published May 14, 2022 (1612 days ago).
  • Last revised October 22, 2025 — 1258 days after initial publication.
  • Added to CISA's Known Exploited Vulnerabilities catalog 47 days before publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update Microsoft.ChakraCore to 1.2.2 or later
dotnet add package Microsoft.ChakraCore --version 1.2.2

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: nuget (1).

PackageEcosystemAffectedFixed In
Microsoft.ChakraCore
nuget
1.2.0, 1.2.11.2.2

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2016-7201?
ChakraCore RCE Vulnerability This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2016-7201?
CVE-2016-7201 affects Microsoft.ChakraCore. This vulnerability is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, meaning it is being actively exploited in the wild. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2016-7201 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Known Exploited Vulnerability

This vulnerability is in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild.

Added to KEV catalog: March 28, 2022

Remediation deadline: April 18, 2022

Also Known As

GHSA-4f5g-j7wg-7w8j

Related CVEs

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