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CVE-2018-8355

Description

A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge. This CVE ID is unique from CVE-2018-8353, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8373, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.

Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org

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
0.67896 (67.9% 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 ChakraCore

    • affected: ChakraCore

  • 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 x64-based Systems
    • affected: Windows 10 Version 1803 for 32-bit Systems
    • affected: Windows 10 Version 1803 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

  • Microsoft Edge

    • 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 x64-based Systems
    • affected: Windows 10 Version 1803 for 32-bit Systems
    • affected: Windows 10 Version 1803 for x64-based Systems
    • affected: Windows Server 2016

References

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

Timeline

  1. ID reserved
  2. Record published
  3. Record last updated

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About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.
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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, 19:46 UTC. Sources and licenses