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TI-2020-13036 Aliases CVE-2020-17054GHSA-88cw-3m6x-49f7

Chakra Scripting Engine Memory Corruption Vulnerability

Priority LOW 37CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-787 and the CVSS impact.

Summary

Chakra Scripting Engine Memory Corruption Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02067 81st percentileScored 2026-11-07
Fix Fixed ChakraCore (Microsoft): publicationMicrosoft Edge (EdgeHTML-based) (Microsoft): publication+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftChakraCorebefore publicationpublicationPatch availableCNA
MicrosoftMicrosoft Edge (EdgeHTML-based)1.0..0 to before publicationpublicationPatch availableCNA
—Microsoft.ChakraCore (NuGet)before 1.11.231.11.23Patch availableGHSA-88cw-3m6x-49f7
  • ChakraCore VendorMicrosoft Affected before publication Fixed in publication Patch available CNA
  • Microsoft Edge (EdgeHTML-based) VendorMicrosoft Affected 1.0..0 to before publication Fixed in publication Patch available CNA
  • Microsoft.ChakraCore (NuGet) Vendor— Affected before 1.11.23 Fixed in 1.11.23 Patch available GHSA-88cw-3m6x-49f7

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*20h2Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*1607Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*1803Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*1809Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*1903Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*1909Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*2004Running onMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:* Versions 20h2 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* Versions 1607 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* Versions 1803 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* Versions 1809 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* Versions 1903 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* Versions 1909 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* Versions 2004 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*1.11.0 to before 1.11.23VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:* Versions 1.11.0 to before 1.11.23 Vulnerable ·Microsoft

Remediation

  • Fix · CNA ChakraCore (Microsoft) Fixed in publication
  • Fix · CNA Microsoft Edge (EdgeHTML-based) (Microsoft) Fixed in publication
  • Fix · GHSA-88cw-3m6x-49f7 Microsoft.ChakraCore (NuGet) Fixed in 1.11.23 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-17054
  2. 2026-10-03 Alias added: GHSA-88cw-3m6x-49f7

References

Patch 1

Advisory 1

Other 2

  • TI-2020-00848 Microsoft Browser Memory Corruption Vulnerability KEVCVSS 3.1HIGH 7.5
  • TI-2018-06000 Type confusion in Microsoft ChakraCore KEVCVSS 3.1HIGH 7.5
  • TI-2019-00333 Out-of-bounds write in Microsoft Edge CVSS 3.0HIGH 7.5
  • TI-2019-00359 Out-of-bounds write in Microsoft Edge CVSS 3.0HIGH 7.5
  • TI-2018-00721 Out-of-bounds write in Microsoft Edge CVSS 3.0HIGH 7.5
  • TI-2018-00720 Out-of-bounds write in Microsoft Edge CVSS 3.0HIGH 7.5
See all 254 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences