How severe is CVE-2017-0168?

CVE-2017-0168 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-0168 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-0168?

CVE-2017-0168 primarily affects Microsoft Windows 8.1. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-0168?

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

When was CVE-2017-0168 published?

CVE-2017-0168 was published on 2017-04-12 and last updated on 2026-06-17.

CVE-2017-0168

CVE-2017-0168 is a medium-severity vulnerability in Microsoft Windows 8.1 with a CVSS 3.x base score of 5.8. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
CVSS v2: 6.3
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Microsoft Windows 8.1
Published: 2017-04-12
Last modified: 2026-06-17

Description

An information disclosure vulnerability exists when the Windows Hyper-V Network Switch running on a Windows 8.1, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, or Windows Server 2012 R2 host operating system fails to properly validate input from an authenticated user on a guest operating system, aka "Hyper-V Information Disclosure Vulnerability." This CVE ID is unique from CVE-2017-0169.

Frequently asked questions

What is CVE-2017-0168?: An information disclosure vulnerability exists when the Windows Hyper-V Network Switch running on a Windows 8.1, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, or Windows Server 2012 R2 host operating system fails to properly validate input from an authenticated user on a guest operating system, aka "Hyper-V Information Disclosure Vulnerability." This CVE ID is unique from CVE-2017-0169.
How severe is CVE-2017-0168?: CVE-2017-0168 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-0168 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-0168?: CVE-2017-0168 primarily affects Microsoft Windows 8.1. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-0168?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-0168 published?: CVE-2017-0168 was published on 2017-04-12 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

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