CVE-2017-0199
KEVRansomware UseMicrosoft Office and WordPad Remote Code Execution Vulnerability
Description
Microsoft Office and WordPad contain an unspecified vulnerability due to the way the applications parse specially crafted files. Successful exploitation allows for remote code execution.
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 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedApr 12, 2017
Last modifiedJun 17, 2026
Added to KEVNov 3, 2021
Remediation dueMay 3, 2022
References
- rewtin.blogspot.nl/2017/04/cve-2017-0199-practical-exploitation-poc.htmlExploitThird Party Advisory
- securityfocus.com/bid/97498Broken LinkThird Party Advisory
- securitytracker.com/id/1038224Broken LinkThird Party Advisory
- blog.nviso.be/2017/04/12/analysis-of-a-cve-2017-0199-malicious-rtf-document/ExploitThird Party Advisory
- ics-cert.us-cert.gov/advisories/ICSMA-18-058-02Third Party AdvisoryUS Government Resource
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0199PatchVendor Advisory
- exploit-db.com/exploits/41894/ExploitThird Party Advisory
- exploit-db.com/exploits/41934/ExploitThird Party Advisory
- exploit-db.com/exploits/42995/Third Party AdvisoryVDB Entry
- fireeye.com/blog/threat-research/2017/04/cve-2017-0199_useda.htmlBroken LinkExploit
- mdsec.co.uk/2017/04/exploiting-cve-2017-0199-hta-handler-vulnerability/ExploitThird Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0199US Government Resource
0 recent articles mention this CVE
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Risk assessment · Critical
Actively exploited and used by ransomware crews. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1638 days
- Ransomware
- Used in known ransomware campaigns
- CVSS
- 7.8 HIGH
- EPSS (30-day exploit probability)
- 99.5% · top 1% of all CVEs
- Weakness
- NVD-CWE-noinfo
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
- 4.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.