How severe is CVE-2018-8115?

CVE-2018-8115 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-8115 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 34% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8115?

CVE-2018-8115 affects Microsoft Windows Host Compute Service Shim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8115?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-8115 published?

CVE-2018-8115 was published on 2018-05-02 and last updated on 2026-06-17.

CVE-2018-8115

CVE-2018-8115 is a high-severity vulnerability in Microsoft Windows Host Compute Service Shim with a CVSS 3.x base score of 8.6. Its EPSS exploit-prediction score of 34% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 9.3
EPSS exploit prediction: 34% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Windows Host Compute Service Shim
Published: 2018-05-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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." This affects Windows Host Compute.
How severe is CVE-2018-8115?: CVE-2018-8115 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-8115 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 34% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8115?: CVE-2018-8115 affects Microsoft Windows Host Compute Service Shim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8115?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-8115 published?: CVE-2018-8115 was published on 2018-05-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:windows_host_compute_service_shim:*:*:*:*:*:*:*:*

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