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Vulnerability record · CVE-2020-23315 · published 20 January 2022

CVE-2020-23315: Microsoft chakracore vulnerability

Microsoft · Chakracore

There is an ASSERTION (pFuncBody->GetYieldRegister() == oldYieldRegister) failed in Js::DebugContext::RundownSourcesAndReparse in ChakraCore version 1.12.0.0-beta.

7.5 CVSS 3.1 High EPSS 2.4% · top 16.8%
7.5CVSS 3.1 base score, v2 5.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

There is an ASSERTION (pFuncBody->GetYieldRegister() == oldYieldRegister) failed in Js::DebugContext::RundownSourcesAndReparse in ChakraCore version 1.12.0.0-beta.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/microsoft/ChakraCore/issues/6453 ExploitIssue TrackingThird Party Advisory
https://github.com/microsoft/ChakraCore/issues/6453 ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-23315), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.