Improper input validation in Microsoft Active Directory
Priority LOW 27CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
A denial of service vulnerability exists in Windows 10 1607 and Windows Server 2016 Active Directory when an authenticated attacker sends malicious search queries, aka "Active Directory Denial of Service Vulnerability."
Why it matters now
EPSS 0.03897 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Active Directory | Windows 10 1607 and Windows Server 2016 | — | No fix listed | CNA |
- Active Directory VendorMicrosoft Affected Windows 10 1607 and Windows Server 2016 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-0164
- 2026-10-03 Alias added: GHSA-v9mj-gv7c-j2c8
- 2026-10-11 EPSS moved to the 90th–95th percentile
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Sources
- CVE-2017-0164 · CVE Program
- CVE-2017-0164 · NVD
- FIRST EPSS
- GHSA-v9mj-gv7c-j2c8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences