---
title: "CVE-2018-8631: Microsoft Internet Explorer 9 vulnerability | CubePath"
description: "A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka \"Internet Explorer Memory Corruption…"
language: en
source: https://cubepath.com/security/cve/CVE-2018-8631
---

# CVE-2018-8631: Microsoft Internet Explorer 9 vulnerability | CubePath

## Description

A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.

Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2018-8631)

## Key data

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.68493 (68.5% probability)

Percentile

99.3%

Scores of

Nov 10, 2026

Model

v2026.06.15

## Affected products

Products listed in the CVE record, as the CNA published them.

- Microsoft Internet Explorer 9

  - affected: Windows Server 2008 for 32-bit Systems Service Pack 2
  - affected: Windows Server 2008 for x64-based Systems Service Pack 2
- Microsoft Internet Explorer 11

  - affected: Windows 10 for 32-bit Systems
  - affected: Windows 10 for x64-based Systems
  - affected: Windows 10 Version 1607 for 32-bit Systems
  - affected: Windows 10 Version 1607 for x64-based Systems
  - affected: Windows 10 Version 1703 for 32-bit Systems
  - affected: Windows 10 Version 1703 for x64-based Systems
  - affected: Windows 10 Version 1709 for 32-bit Systems
  - affected: Windows 10 Version 1709 for ARM64-based Systems
  - affected: Windows 10 Version 1709 for x64-based Systems
  - affected: Windows 10 Version 1803 for 32-bit Systems
  - affected: Windows 10 Version 1803 for ARM64-based Systems
  - affected: Windows 10 Version 1803 for x64-based Systems
  - affected: Windows 10 Version 1809 for 32-bit Systems
  - affected: Windows 10 Version 1809 for ARM64-based Systems
  - affected: Windows 10 Version 1809 for x64-based Systems
  - affected: Windows 7 for 32-bit Systems Service Pack 1
  - affected: Windows 7 for x64-based Systems Service Pack 1
  - affected: Windows 8.1 for 32-bit systems
  - affected: Windows 8.1 for x64-based systems
  - affected: Windows RT 8.1
  - affected: Windows Server 2008 R2 for x64-based Systems Service Pack 1
  - affected: Windows Server 2012 R2
  - affected: Windows Server 2016
  - affected: Windows Server 2019
- Microsoft Internet Explorer 10

  - affected: Windows Server 2012

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [106118](http://www.securityfocus.com/bid/106118)  (securityfocus.com) vdb-entry
- [portal.msrc.microsoft.com/en-US/security-guidance/advisory/…](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8631)
- [46001](https://www.exploit-db.com/exploits/46001/)  (exploit-db.com) exploit

## Timeline

1. ID reserved Mar 14, 2018
2. Record published Dec 12, 2018
3. Record last updated Aug 5, 2024

## Look up another CVE

## About CubePath

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:00 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)