Vulnerability in Microsoft Windows 10
CVE-2017-0021
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (77.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Microsoft Windows 10 — versions 1607
- Microsoft Windows Server 2016
- Microsoft Corporation Hyper-V Vsmb — versions Hyper-V in Microsoft Windows 10 1607 and Windows Server 2016
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0021 (Patch, Mitigation, Vendor Advisory)
- www.securitytracker.com/id/1037999 (vdb-entry)
- www.securityfocus.com/bid/96020 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-0021?
- CVE-2017-0021 is a critical-severity vulnerability in Microsoft Windows 10. CVSS score: 9.0/10. Published 2017-03-17.
- How severe is CVE-2017-0021?
- Critical severity. CVSS v3 base score is 9.0 out of 10.