CVE-2017-0199

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-11-03. Federal remediation due 2022-05-03.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total 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

99.93% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 100.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2017-04-12 14:00Z9 YR AGO

Last updated

2025-10-21 23:55Z10 MO AGO

Reserved

2016-09-09

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.1

Document digest

d49676f5c60ab36c5c421745fca2e2d4f5f30aca1e15677615874e72389c64f3

• www.securityfocus.com97498http://www.securityfocus.com/bid/97498vdb-entryx_refsource_BID
• blog.nviso.behttps://blog.nviso.be/2017/04/12/analysis-of-a-cve-2017-0199-malicious-rtf-document/x_refsource_MISC
• rewtin.blogspot.nlhttp://rewtin.blogspot.nl/2017/04/cve-2017-0199-practical-exploitation-poc.htmlx_refsource_MISC
• www.exploit-db.com41894https://www.exploit-db.com/exploits/41894/exploitx_refsource_EXPLOIT-DB
• www.fireeye.comhttps://www.fireeye.com/blog/threat-research/2017/04/cve-2017-0199_useda.htmlx_refsource_MISC
• portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0199x_refsource_CONFIRM
• ics-cert.us-cert.govhttps://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02x_refsource_MISC
• www.mdsec.co.ukhttps://www.mdsec.co.uk/2017/04/exploiting-cve-2017-0199-hta-handler-vulnerability/x_refsource_MISC
• www.exploit-db.com41934https://www.exploit-db.com/exploits/41934/exploitx_refsource_EXPLOIT-DB
• www.exploit-db.com42995https://www.exploit-db.com/exploits/42995/exploitx_refsource_EXPLOIT-DB
• www.securitytracker.com1038224http://www.securitytracker.com/id/1038224vdb-entryx_refsource_SECTRACK
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0199government-resource