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CVE-2017-0021

Published: Mar 17, 2017Updated: May 13, 2026 Sources: CVE List NVD BDUNVD-CWE-noinfo
9.0CRITICAL
NVD MITRE
EPSS Score
1.7%
Top 24.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Hyper-V in Microsoft Windows 10 1607 and Windows Server 2016 does not properly validate vSMB packet data, which allows attackers to execute arbitrary code on a target OS, aka "Hyper-V System Data Structure Vulnerability." This vulnerability is different from that described in CVE-2017-0095.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:AAC:LPR:LUI:NS:CC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

Microsoft Corp
commercial·USaka microsoft, microsoft corporation
Windows 10On-premOS
Operating Systems / windows
Windows Server 2016On-premOS
Operating Systems / windows
Microsoft Corporation
commercial·USaka microsoft
Hyper-V vSMBOn-prem
Operating Systems / windows
and 2 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
Is your org exposed to CVE-2017-0021?We can run the check for you — a free external exposure review, no install. Check my exposure

References

http://www.securityfocus.com/bid/96020
securityfocus.com
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0021
portal.msrc.microsoft.com
http://www.securityfocus.com/bid/96020
securityfocus.com
and 1 more references View all →

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