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CVE-2017-0169

16
FAUCET Score

CVE-2017-0169 is an information disclosure vulnerability affecting Windows Hyper-V on Windows 8.1, Windows Server 2012, and Windows Server 2012 R2 host operating systems. It arises from improper input validation by Hyper-V when processing data from an authenticated guest user. Rated Medium with a CVSS score of 5.4, exploitation requires network access and high privileges on the guest, but can lead to high confidentiality impact. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
r2CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.0
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.56%
Probability of exploitation in next 30 days
EPSS Percentile
72.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0156 is in the 83rd percentile among its peer group of 31 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2 (Server Core installation)
View patch

Vendor Advisories (1)

microsoft2017-Apr/CVE-2017-0169Important

Windows Hyper-V Information Disclosure Vulnerability

Apr 11, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-0169
MitigationPatchVendor Advisory
securityfocus.com / bid/97459
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038232