A buffer overflow in Smart Card authentication code in gpkcsp.dll in Microsoft Windows XP through SP3 and Server 2003 through SP2 allows a remote attacker to execute arbitrary code on the target computer, provided that the computer is joined in a Windows domain and has Remote Desktop Protocol connectivity (or Terminal Services) enabled.
CVE-2017-0176
HIGHNVD 8.18.1—Elevated
EchelonGraph scoreMEDIUM confidence
Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 46%CVSS: 8.1Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.1
- EG Score
- 8.1(medium)
- EPSS
- 98.7%
- KEV
- Not listed
Published
June 22, 2017
Last Modified
May 13, 2026
References (12)
- secure@microsofthttp://www.securityfocus.com/bid/98550
- secure@microsofthttp://www.securityfocus.com/bid/98752
- secure@microsofthttps://blog.0patch.com/2017/06/a-quick-analysis-of-microsofts.html
- secure@microsofthttps://blog.fortinet.com/2017/05/11/deep-analysis-of-esteemaudit
- secure@microsofthttps://blogs.technet.microsoft.com/msrc/2017/04/14/protecting-customers-and-evaluating-risk/
- secure@microsofthttps://support.microsoft.com/en-us/help/4022747/security-update-for-windows-xp-and-windows-server-2003
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/98550
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/98752
- af854a3a-2127-422b-91ae-364da2661108https://blog.0patch.com/2017/06/a-quick-analysis-of-microsofts.html
- af854a3a-2127-422b-91ae-364da2661108https://blog.fortinet.com/2017/05/11/deep-analysis-of-esteemaudit
- af854a3a-2127-422b-91ae-364da2661108https://blogs.technet.microsoft.com/msrc/2017/04/14/protecting-customers-and-evaluating-risk/
- af854a3a-2127-422b-91ae-364da2661108https://support.microsoft.com/en-us/help/4022747/security-update-for-windows-xp-and-windows-server-2003
Frequently asked(5)
What is CVE-2017-0176?
CVE-2017-0176 is a high vulnerability published on June 22, 2017. A buffer overflow in Smart Card authentication code in gpkcsp.dll in Microsoft Windows XP through SP3 and Server 2003 through SP2 allows a remote attacker to execute arbitrary code on the target computer, provided that the computer is joined in a Windows domain and has Remote Desktop Protocol…
When was CVE-2017-0176 disclosed?
CVE-2017-0176 was first published in the National Vulnerability Database on June 22, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-0176 actively exploited?
CVE-2017-0176 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-0176?
CVE-2017-0176 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2017-0176?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-0176, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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