CVE-2017-0016
Microsoft Windows 10 Gold, 1511, and 1607; Windows 8.1; Windows RT 8.1; Windows Server 2012 R2, and Windows Server 2016 do not properly handle certain requests in SMBv2 and SMBv3 packets, which allows remote attackers to execute arbitrary code via a…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 25.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Microsoft Windows 10 Gold, 1511, and 1607; Windows 8.1; Windows RT 8.1; Windows Server 2012 R2, and Windows Server 2016 do not properly handle certain requests in SMBv2 and SMBv3 packets, which allows remote attackers to execute arbitrary code via a crafted SMBv2 or SMBv3 packet to the Server service, aka "SMBv2/SMBv3 Null Dereference Denial of Service Vulnerability."
- CVSS 3.0
- 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 25.71% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- microsoft/windows 10 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2012 · microsoft/windows server 2016
- Source
- secure@microsoft.com
EPSS moved from 27.8% on 21 September 2026 to 25.7% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/95969Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037767
- http://www.securitytracker.com/id/1038001
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0016Patch, Vendor Advisory
- http://www.securityfocus.com/bid/95969Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037767
- http://www.securitytracker.com/id/1038001
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0016Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.