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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.0 CRITICALCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 1.71% probability · 76th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/windows 10 · microsoft/windows server 2016
- Source
- secure@microsoft.com
References
- http://www.securityfocus.com/bid/96020Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037999
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0021Mitigation, Patch, Vendor Advisory
- http://www.securityfocus.com/bid/96020Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037999
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0021Mitigation, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.