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TI-2019-00672 Aliases CVE-2019-0923GHSA-h23m-w6x5-jwr4

Out-of-bounds write in Microsoft Edge

Priority MEDIUM 44CWE-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 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-787 and the CVSS impact.

Summary

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 CVE ID is unique from CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933, CVE-2019-0937.

Why it matters now

EPSS 0.0903 95th percentileScored 2026-11-07
Fix Fixed Microsoft.ChakraCore (NuGet): 1.11.9

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft EdgeWindows Server 2016; Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows 10 Version 1703 for 32-bit Systems; Windows 10 Version 1703 for x64-based Systems; Windows 10 Version 1709 for 32-bit Systems; Windows 10 Version 1709 for x64-based Systems; Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for x64-based Systems; Windows 10 Version 1803 for ARM64-based Systems; Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for x64-based Systems; Windows 10 Version 1809 for ARM64-based Systems; Windows Server 2019; Windows 10 Version 1709 for ARM64-based Systems—No fix listedCNA
MicrosoftMicrosoft Edge on Windows 10 Version 1903 for 32-bit Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge on Windows 10 Version 1903 for x64-based Systemsall versions—No fix listedCNA
MicrosoftMicrosoft Edge on Windows 10 Version 1903 for ARM64-based Systemsall versions—No fix listedCNA
—Microsoft.ChakraCore (NuGet)before 1.11.91.11.9Patch availableGHSA-h23m-w6x5-jwr4
  • Microsoft Edge VendorMicrosoft Affected Windows Server 2016; Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows 10 Version 1703 for 32-bit Systems; Windows 10 Version 1703 for x64-based Systems; Windows 10 Version 1709 for 32-bit Systems; Windows 10 Version 1709 for x64-based Systems; Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for x64-based Systems; Windows 10 Version 1803 for ARM64-based Systems; Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for x64-based Systems; Windows 10 Version 1809 for ARM64-based Systems; Windows Server 2019; Windows 10 Version 1709 for ARM64-based Systems Fixed in — No fix listed CNA
  • Microsoft Edge on Windows 10 Version 1903 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge on Windows 10 Version 1903 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft Edge on Windows 10 Version 1903 for ARM64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft.ChakraCore (NuGet) Vendor— Affected before 1.11.9 Fixed in 1.11.9 Patch available GHSA-h23m-w6x5-jwr4

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*1607Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*1703Running onMicrosoft
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*1709Running 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_server_2016:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* Versions 1607 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* Versions 1703 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* Versions 1709 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_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · GHSA-h23m-w6x5-jwr4 Microsoft.ChakraCore (NuGet) Fixed in 1.11.9 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-0923
  2. 2026-10-03 Alias added: GHSA-h23m-w6x5-jwr4

References

Patch 1

Advisory 1

Other 2

  • TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2022-03781 Out-of-bounds write in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2015-00277 Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-00275 Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2020-12621 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 761 →

Sources

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