CVE-2016-3351

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-05-24. Federal remediation due 2022-06-14. Known ransomware campaign use: reported by CISA.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

26.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 97.9% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-14.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-09-14 10:00Z10 YR AGO

Last updated

2026-08-14 03:55Z2 MO AGO

Reserved

2016-03-15

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weaknesses

No CWE assigned

Data version

5.2

Document digest

f4424ab6a7d04338f3c0b31f9080d3e2205a9eb48f0ffaf6d8ebaa93887c088a

• www.securitytracker.com1036789http://www.securitytracker.com/id/1036789vdb-entryx_refsource_SECTRACK
• www.securityfocus.com92788http://www.securityfocus.com/bid/92788vdb-entryx_refsource_BID
• www.brokenbrowser.comhttps://www.brokenbrowser.com/detecting-apps-mimetype-malware/x_refsource_MISC
• docs.microsoft.comMS16-104https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-104vendor-advisoryx_refsource_MS
• docs.microsoft.comMS16-105https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-105vendor-advisoryx_refsource_MS
• www.securitytracker.com1036788http://www.securitytracker.com/id/1036788vdb-entryx_refsource_SECTRACK
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3351government-resource