CVE-2016-3345
The SMBv1 server in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold, 1511, and 1607 allows remote attackers to execute arbitrary code via…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 32.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
The SMBv1 server in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold, 1511, and 1607 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Authenticated Remote Code Execution Vulnerability."
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 32.46% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- microsoft/windows 10 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows vista
- Source
- secure@microsoft.com
EPSS moved from 34.9% on 21 September 2026 to 32.5% on 4 November 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/92859
- http://www.securitytracker.com/id/1036803
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-114
- http://www.securityfocus.com/bid/92859
- http://www.securitytracker.com/id/1036803
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-114
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.