CVE-2018-8115

Windows Host Compute Service Shim vulnerability

CVSS

8.6

EPSS

34.4%

EPSS pct

98th

Exploited

No known

A remote code execution vulnerability exists when the Windows Host Compute Service Shim (hcsshim) library fails to properly validate input while importing a container image, aka "Windows Host Compute Service Shim Remote Code Execution Vulnerability." This affects Windows Host Compute.

Affected vendor

Microsoft

Affected product

Windows Host Compute Service Shim

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2018-05-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 34.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2018-8115

Confirm whether Microsoft Windows Host Compute Service Shim is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-8115.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-8115

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