CVE-2017-0166
HIGHEPSS 93th pctlDescription
An elevation of privilege vulnerability exists in Windows when LDAP request buffer lengths are improperly calculated. In a remote attack scenario, an attacker could exploit this vulnerability by running a specially crafted application to send malicious traffic to a Domain Controller, aka "LDAP Elevation of Privilege Vulnerability."
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
High risk: more likely to be exploited than 93% of all known CVEs.
References
Related Vulnerabilities
Other CWE-131 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2023-36824 | High | 7.4 | 77% | - | Fix |
| CVE-2020-8450 | High | 7.3 | 72% | - | Fix |
| CVE-2020-6113 | High | 7.8 | 69% | - | - |
| CVE-2026-42945 | Critical | 8.1 | 66% | - | Fix |
| CVE-2020-6116 | High | 7.8 | 28% | - | - |
| CVE-2005-3120 | Critical | 9.8 | 23% | - | Fix |
Common questions
How do I fix CVE-2017-0166?
No published fix for CVE-2017-0166 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2017-0166 being actively exploited?
Not that we know of. CVE-2017-0166 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 6.4% is the estimated probability that it will be exploited in the next 30 days. That is higher than 93% of all scored CVEs.
How severe is CVE-2017-0166?
CVE-2017-0166 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.