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Vulnerability Intelligence

CVE-2018-8353

HighPublic exploit

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.

Published Aug 15, 2018 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2018-8353 is a high-severity vulnerability (CVSS 7.5 v3) affecting Internet Explorer (Microsoft).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 68% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3

7.5

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

68%

Higher than 99.3% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

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Description

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-2018-8355, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8373, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
Internet ExplorerMicrosoft10, 11, 9n/a

Timeline

  1. Publicly disclosed

    Aug 15, 2018

  2. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-416 Use After Free

References

FAQ

Common Questions.

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