CVE-2017-0199
Microsoft Office and WordPad Remote Code Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Windows Vista SP2, Windows Server 2008 SP2, Windows 7 SP1, Windows 8.1 allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office/WordPad Remote Code Execution Vulnerability w/Windows API."
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 99.50% probability · 100th percentile
- Public exploits
- 3 in Exploit-DB · verified · first 18 April 2017
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022 · used in ransomware campaigns
- Affected
- microsoft/office · microsoft/windows 7 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows vista · philips/intellispace portal
- Source
- secure@microsoft.com
EPSS 99.5% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-0199
Public exploits (3)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-42995source ↗ | Microsoft Excel - OLE Arbitrary Code Executionwindows · Eduardo Braun Prado | dos | 30 September 2017 | no |
| EDB-41934source ↗ | Microsoft Office Word - '.RTF' Malicious HTA Execution (Metasploit)windows · Metasploit | remote | 25 April 2017 | yes |
| EDB-41894source ↗ | Microsoft Word - '.RTF' Remote Code Executionwindows · Bhadresh Patel | remote | 18 April 2017 | no |
References
- http://rewtin.blogspot.nl/2017/04/cve-2017-0199-practical-exploitation-poc.htmlExploit, Third Party Advisory
- http://www.securityfocus.com/bid/97498Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038224Broken Link, Third Party Advisory, VDB Entry
- https://blog.nviso.be/2017/04/12/analysis-of-a-cve-2017-0199-malicious-rtf-document/Exploit, Third Party Advisory
- https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02Third Party Advisory, US Government Resource
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0199Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/41894/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/41934/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42995/Third Party Advisory, VDB Entry
- https://www.fireeye.com/blog/threat-research/2017/04/cve-2017-0199_useda.htmlBroken Link, Exploit, Third Party Advisory
- https://www.mdsec.co.uk/2017/04/exploiting-cve-2017-0199-hta-handler-vulnerability/Exploit, Third Party Advisory
- http://rewtin.blogspot.nl/2017/04/cve-2017-0199-practical-exploitation-poc.htmlExploit, Third Party Advisory
- http://www.securityfocus.com/bid/97498Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038224Broken Link, Third Party Advisory, VDB Entry
- https://blog.nviso.be/2017/04/12/analysis-of-a-cve-2017-0199-malicious-rtf-document/Exploit, Third Party Advisory
- https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02Third Party Advisory, US Government Resource
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0199Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/41894/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/41934/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42995/Third Party Advisory, VDB Entry
- https://www.fireeye.com/blog/threat-research/2017/04/cve-2017-0199_useda.htmlBroken Link, Exploit, Third Party Advisory
- https://www.mdsec.co.uk/2017/04/exploiting-cve-2017-0199-hta-handler-vulnerability/Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0199US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.