How severe is CVE-2017-0178?

CVE-2017-0178 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-0178 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-0178?

CVE-2017-0178 primarily affects Microsoft Windows 10. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-0178?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-0178 published?

CVE-2017-0178 was published on 2017-04-12 and last updated on 2026-06-17.

CVE-2017-0178

CVE-2017-0178 is a medium-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 5.2
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Windows 10
Published: 2017-04-12
Last modified: 2026-06-17

Description

A denial of service vulnerability exists when Microsoft Hyper-V running on Windows 10, Windows 10 1511, Windows 10 1607, Windows 8.1, Windows Server 2012 R2, and Windows Server 2016 host server fails to properly validate input from a privileged user on a guest operating system, aka "Hyper-V Denial of Service Vulnerability." This CVE ID is unique from CVE-2017-0179, CVE-2017-0182, CVE-2017-0183, CVE-2017-0184, CVE-2017-0185, and CVE-2017-0186.

Frequently asked questions

What is CVE-2017-0178?: A denial of service vulnerability exists when Microsoft Hyper-V running on Windows 10, Windows 10 1511, Windows 10 1607, Windows 8.1, Windows Server 2012 R2, and Windows Server 2016 host server fails to properly validate input from a privileged user on a guest operating system, aka "Hyper-V Denial of Service Vulnerability." This CVE ID is unique from CVE-2017-0179, CVE-2017-0182, CVE-2017-0183, CVE-2017-0184, CVE-2017-0185, and CVE-2017-0186.
How severe is CVE-2017-0178?: CVE-2017-0178 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-0178 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-0178?: CVE-2017-0178 primarily affects Microsoft Windows 10. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-0178?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-0178 published?: CVE-2017-0178 was published on 2017-04-12 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

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