Buffer overflow in Client Service for NetWare (CSNW) in Microsoft Windows 2000 SP4, XP SP2, and Server 2003 up to SP1 allows remote attackers to execute arbitrary code via crafted messages, aka "Client Service for NetWare Memory Corruption Vulnerability."
CVE-2006-4688
NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
- High exploitation likelihood — EPSS 77%
CISA-KEV: Not listedEPSS: 77%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 99.5%
- KEV
- Not listed
Published
November 14, 2006
Last Modified
April 23, 2026
References (18)
- secure@microsofthttp://secunia.com/advisories/22866
- secure@microsofthttp://securitytracker.com/id?1017224
- secure@microsofthttp://www.securityfocus.com/archive/1/451844/100/0/threaded
- secure@microsofthttp://www.securityfocus.com/bid/21023
- secure@microsofthttp://www.us-cert.gov/cas/techalerts/TA06-318A.html
- secure@microsofthttp://www.vupen.com/english/advisories/2006/4504
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-066
- secure@microsofthttps://exchange.xforce.ibmcloud.com/vulnerabilities/29952
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A404
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/22866
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1017224
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/451844/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/21023
- af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/cas/techalerts/TA06-318A.html
- af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2006/4504
Data Freshness Timeline
(refreshed 3× in last 7d / 15× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 06:07 UTCEPSS rescore
- 2026-07-13 06:07 UTCEPSS rescore
- 2026-07-09 19:03 UTCEPSS rescore
- 2026-07-02 14:00 UTCEPSS rescore
- 2026-07-01 15:01 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-10 22:14 UTCEPSS rescore
- 2026-06-07 15:21 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-05 22:43 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-05-31 05:53 UTCEG score recompute
- 2026-05-31 05:53 UTCGHSA enrichment
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- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:38 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(4 references)Working exploit code is in the public domain (2 Metasploit modules) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-16373✓ verifiedFirst seen Aug 25, 2010
Microsoft Services - 'nwapi32.dll' (MS06-066) (Metasploit)
Open source ↗ - Exploit-DBEDB-16369✓ verifiedFirst seen May 9, 2010
Microsoft Services - 'nwwks.dll' (MS06-066) (Metasploit)
Open source ↗ - Metasploitexploit/windows/smb/ms06_066_nwwks✓ verifiedFirst seen Nov 14, 2006
MS06-066 Microsoft Services nwwks.dll Module Exploit
Open source ↗ - Metasploitexploit/windows/smb/ms06_066_nwapi✓ verifiedFirst seen Nov 14, 2006
MS06-066 Microsoft Services nwapi32.dll Module Exploit
Open source ↗
Frequently asked(4)
What is CVE-2006-4688?
CVE-2006-4688 is a none vulnerability published on November 14, 2006. Buffer overflow in Client Service for NetWare (CSNW) in Microsoft Windows 2000 SP4, XP SP2, and Server 2003 up to SP1 allows remote attackers to execute arbitrary code via crafted messages, aka "Client Service for NetWare Memory Corruption Vulnerability."
When was CVE-2006-4688 disclosed?
CVE-2006-4688 was first published in the National Vulnerability Database on November 14, 2006, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2006-4688 actively exploited?
CVE-2006-4688 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2006-4688?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-4688, 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
Explore the affected products and dependency analysis for CVE-2006-4688
Is Your Infrastructure Affected by CVE-2006-4688?
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