Read the docs
TI-2020-00805 Aliases CVE-2020-0832GHSA-2qgv-2cv4-g4cg

Out-of-bounds write in Microsoft Internet Explorer 9

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 3.1 · 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 scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0768, CVE-2020-0823, CVE-2020-0825, CVE-2020-0826, CVE-2020-0827, CVE-2020-0828, CVE-2020-0829, CVE-2020-0830, CVE-2020-0831, CVE-2020-0833, CVE-2020-0848.

Why it matters now

EPSS 0.08677 95th percentileScored 2026-11-07
Fix Fixed Microsoft.ChakraCore (NuGet): 1.11.17

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftInternet Explorer 9Windows Server 2008 for 32-bit Systems Service Pack 2; Windows Server 2008 for x64-based Systems Service Pack 2—No fix listedCNA
MicrosoftInternet Explorer 11Windows 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 32-bit Systems; Windows 10 Version 1709 for x64-based Systems; Windows 10 Version 1709 for ARM64-based Systems; Windows 10 for 32-bit Systems; Windows 10 for x64-based Systems; Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows Server 2016; Windows 7 for 32-bit Systems Service Pack 1; Windows 7 for x64-based Systems Service Pack 1; Windows 8.1 for 32-bit systems; Windows 8.1 for x64-based systems; Windows RT 8.1; Windows Server 2008 R2 for x64-based Systems Service Pack 1; Windows Server 2012 R2—No fix listedCNA
MicrosoftInternet Explorer 11 on Windows 10 Version 1903 for 32-bit Systemsall versions—No fix listedCNA
MicrosoftInternet Explorer 11 on Windows 10 Version 1903 for x64-based Systemsall versions—No fix listedCNA
MicrosoftInternet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systemsall versions—No fix listedCNA
MicrosoftInternet Explorer 11 on Windows Server 2012all versions—No fix listedCNA
MicrosoftInternet Explorer 11 on Windows 10 Version 1909 for 32-bit Systemsall versions—No fix listedCNA
MicrosoftInternet Explorer 11 on Windows 10 Version 1909 for x64-based Systemsall versions—No fix listedCNA
MicrosoftInternet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systemsall versions—No fix listedCNA
—Microsoft.ChakraCore (NuGet)before 1.11.171.11.17Patch availableGHSA-2qgv-2cv4-g4cg
  • Internet Explorer 9 VendorMicrosoft Affected Windows Server 2008 for 32-bit Systems Service Pack 2; Windows Server 2008 for x64-based Systems Service Pack 2 Fixed in — No fix listed CNA
  • Internet Explorer 11 VendorMicrosoft Affected 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 32-bit Systems; Windows 10 Version 1709 for x64-based Systems; Windows 10 Version 1709 for ARM64-based Systems; Windows 10 for 32-bit Systems; Windows 10 for x64-based Systems; Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows Server 2016; Windows 7 for 32-bit Systems Service Pack 1; Windows 7 for x64-based Systems Service Pack 1; Windows 8.1 for 32-bit systems; Windows 8.1 for x64-based systems; Windows RT 8.1; Windows Server 2008 R2 for x64-based Systems Service Pack 1; Windows Server 2012 R2 Fixed in — No fix listed CNA
  • Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Internet Explorer 11 on Windows Server 2012 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Microsoft.ChakraCore (NuGet) Vendor— Affected before 1.11.17 Fixed in 1.11.17 Patch available GHSA-2qgv-2cv4-g4cg

CPE configurations NVD · 18

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*11VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*1607Running 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_10:1909:*:*:*:*:*:*:*1909Running onMicrosoft
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:* Versions 11 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* Versions 1607 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_10:1909:*:*:*:*:*:*:* Versions 1909 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Show 8 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*r2 sp1Running onMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*r2Running 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:internet_explorer:9:*:*:*:*:*:*:*9VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* Versions r2 sp1 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 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
  • cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · GHSA-2qgv-2cv4-g4cg Microsoft.ChakraCore (NuGet) Fixed in 1.11.17 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-0832
  2. 2026-10-03 Alias added: GHSA-2qgv-2cv4-g4cg
  3. 2026-10-07 EPSS moved to the 95th–99th percentile

References

Patch 1

Advisory 1

  • 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-2014-01386 Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-01340 Scripting Engine Memory Corruption Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2019-00335 Command injection in Microsoft Office KEVCVSS 3.1HIGH 8.8
  • TI-2017-00204 Out-of-bounds write in Microsoft Internet Explorer KEVCVSS 3.1HIGH 8.8
See all 1634 →

Sources

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