7.6

CVE-2018-8353: microsoft internet_explorer Use After Free

CVSS: 7.6v2.0HighModified
Published 15-08-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-8353 is a high (CVSS 7.6) Use After Free vulnerability in microsoft internet_explorer. EPSS estimates a 67.34% chance of exploitation in the next 30 days, higher than 99.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
54/100
0100
High · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v2.0 (NVD)
EPSS score
67.34%
0%100%
Critical · -0.35 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 15-08-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

67.34%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

-0.35 pp

From 67.69% on 20-09-2026

20-09-202620-10-2026
EPSS score
67.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databasedoswindowsVerified

    Microsoft Windows - JScript RegExp.lastIndex Use-After-Free

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Microsoft1 product

1 vendor · 1 product

References

4 links