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Fencer Intel
high 8.1

CVE-2017-0176 in the critical feed json

A buffer overflow in Smart Card authentication code in gpkcsp.dll in Microsoft Windows XP through SP3 and Server 2003 through SP2 allows a…

published 2017-06-22 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-0543

cvss
8.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
45.8%
EPSS 45.8% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

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.

Patch / fix

Exploit prediction

45.77% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • blog.fortinet.com https://blog.fortinet.com/2017/05/11/deep-analysis-of-esteemaudit referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • Microsoft Microsoft Windows Server 2003 SP1, SP2 Windows XP - SP3

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.