Vulnerability record

CVE-2018-8298

ChakraCore Scripting Engine Type Confusion Vulnerability

Severity: HighExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run ChakraCore scripting engine, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Mar 17, 2022.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Description

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorSource
ChakraCore scripting engineChakraCoreKEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2018-8298 scored CVSS 7.5: ChakraCore ChakraCore scripting engine, ChakraCore Scripting Engine Type Confusion Vulnerability

    CISA lists this as exploited in the wild. Unpatched ChakraCore scripting engine systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2018-8298: ChakraCore ChakraCore scripting engine, ChakraCore Scripting Engine Type Confusion Vulnerability

    An official fix is now available for ChakraCore ChakraCore scripting engine. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References