CVE-2017-0199

CVE-2017-0199 is a high-severity vulnerability in Microsoft Office with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03).

Key facts

• Severity: High (CVSS 3.x base score 7.8)
• CVSS v2: 9.3
• EPSS exploit prediction: 100% (100th percentile)
• Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
• EU (EUVD) id: EUVD-2017-0566
• EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
• Affected product: Microsoft Office
• Published: 2017-04-12
• Last modified: 2026-06-17

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."

Frequently asked questions

What is CVE-2017-0199?

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."

How severe is CVE-2017-0199?

CVE-2017-0199 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-0199 being actively exploited?

Yes. CVE-2017-0199 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2017-0199?

CVE-2017-0199 primarily affects Microsoft Office. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-0199?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2017-0199 have an EU (EUVD) identifier?

Yes. CVE-2017-0199 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-0566. It is also flagged as exploited in the EUVD (since 2021-11-03).

When was CVE-2017-0199 published?

CVE-2017-0199 was published on 2017-04-12 and last updated on 2026-06-17.

References

• http://rewtin.blogspot.nl/2017/04/cve-2017-0199-practical-exploitation-poc.html
• http://www.securityfocus.com/bid/97498
• http://www.securitytracker.com/id/1038224
• https://blog.nviso.be/2017/04/12/analysis-of-a-cve-2017-0199-malicious-rtf-document/
• https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0199
• https://www.exploit-db.com/exploits/41894/
• https://www.exploit-db.com/exploits/41934/
• https://www.exploit-db.com/exploits/42995/
• https://www.fireeye.com/blog/threat-research/2017/04/cve-2017-0199_useda.html
• https://www.mdsec.co.uk/2017/04/exploiting-cve-2017-0199-hta-handler-vulnerability/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0199

Affected products (11)

• cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:*
• cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*
• cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:*
• cpe:2.3:a:microsoft:office:2016:-:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
• cpe:2.3:a:philips:intellispace_portal:7.0:*:*:*:*:*:*:*
• cpe:2.3:a:philips:intellispace_portal:8.0:*:*:*:*:*:*:*

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