SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8115

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."…

HIGH 8.6EPSS 34.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 34.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.0
8.6 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
34.07% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/windows host compute service shim
Source
secure@microsoft.com
EPSS trend
0%20%40%21 September 2026: 37.67%22 September 2026: 34.62%27 October 2026: 34.07%21 September 202627 October 2026

EPSS moved from 37.7% on 21 September 2026 to 34.1% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.