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TI-2018-00887 Aliases CVE-2018-0955GHSA-cfw4-r2pg-4m94

Out-of-bounds write in Microsoft Internet Explorer 9

Priority MEDIUM 49CWE-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
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. 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 affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-0945, CVE-2018-0946, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.

Why it matters now

EPSS 0.15672 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 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 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 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; Windows Server 2016—No fix listedCNA
MicrosoftInternet Explorer 10Windows Server 2012—No fix listedCNA
  • 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 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 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 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; Windows Server 2016 Fixed in — No fix listed CNA
  • Internet Explorer 10 VendorMicrosoft Affected Windows Server 2012 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*9VulnerableMicrosoft
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*10VulnerableMicrosoft
cpe:2.3:a:microsoft:internet_explorer:11:*:*:*:*:*:*:*11VulnerableMicrosoft
  • cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_explorer:11:*:*:*:*:*:*:* Versions 11 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-0955
  2. 2026-10-03 Alias added: GHSA-cfw4-r2pg-4m94

References

Patch 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