9.3

CVE-2018-8544: microsoft windows_10 Use After Free

CVSS: 9.3v2.0HighModified
Published 14-11-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-8544 is a high (CVSS 9.3) Use After Free vulnerability in microsoft windows_10. EPSS estimates a 47.56% chance of exploitation in the next 30 days, higher than 98.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
47.56%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 14-11-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

47.56%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 47.56% on 20-09-2026

20-09-202620-10-2026
EPSS score
47.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databasedoswindowsVerified

    VBScript - 'OLEAUT32!VariantClear' and 'scrrun!VBADictionary::put_Item' Use-After-Free

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Microsoft11 products
  • windows_1032-bit Systems | Version 1607 for 32-bit Systems | Version 1607 for x64-based Systems | Version 1703 for 32-bit Systems | Version 1703 for x64-based Systems | Version 1709 for 32-bit Systems | Version 1709 for ARM64-based Systems | Version 1709 for x64-based Systems | Version 1803 for 32-bit Systems | Version 1803 for ARM64-based Systems | Version 1803 for x64-based Systems | Version 1809 for 32-bit Systems | Version 1809 for ARM64-based Systems | Version 1809 for x64-based Systems | x64-based Systems | na | 1607 | 1703 | 1709 | 1803 | 1809
  • windows 10 serversversion 1709 (Server Core Installation) | version 1803 (Server Core Installation)
  • windows_732-bit Systems Service Pack 1 | x64-based Systems Service Pack 1 | na
  • windows_8.132-bit systems | x64-based systems | na
  • windows_rt_8.1Windows RT 8.1 | na

1 vendor · 11 products

References

4 links