7.6

CVE-2018-8403: microsoft edge Out-of-bounds Write

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

Vulnerability summary

CVE-2018-8403 is a high (CVSS 7.6) Out-of-bounds Write vulnerability in microsoft edge. EPSS estimates a 12.55% chance of exploitation in the next 30 days, higher than 96.1% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v2.0 (NVD)
EPSS score
12.55%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

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 Microsoft browsers access objects in memory, aka "Microsoft Browser Memory Corruption Vulnerability." This affects Internet Explorer 11, Microsoft Edge, Internet Explorer 10.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

12.55%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 12.55% on 18-09-2026

18-09-202618-10-2026
EPSS score
12.55%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft5 products
  • edgena
  • internet_explorerEOL11 | 10
  • internet explorer 10Windows Server 2012
  • internet 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
  • microsoft edgeWindows 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 Server 2016

1 vendor · 5 products

References

3 links