VULNERABILITY INTELLIGENCE
CVE-2017-0021
CVSS score9 CRITICAL
EPSS probability1.71%
CISA KEVNot currently listed
Published2017-03-17
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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.
Primary references
- secure@microsoft.com — Third Party Advisory, VDB Entry
- secure@microsoft.com
- secure@microsoft.com — Mitigation, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Patch, Vendor Advisory