Which products and versions are affected by CVE-2006-4688?

Affected: Windows 2000 (Microsoft); Windows 2003 Server (Microsoft) versions sp1; Windows Xp (Microsoft). The full list is in the CVE brief.

Is CVE-2006-4688 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2006-4688 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2006-4688?

Public exploit code is available.

Is there a fix for CVE-2006-4688?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2006-4688 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2006-4688

HighPublic exploit

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."

Published Nov 14, 2006 · Updated Apr 22, 2026

Key Facts

Patch immediately

CVE-2006-4688 is a high-severity vulnerability (CVSS 7.5 v2) affecting Windows 2000 (Microsoft), Windows 2003 Server (Microsoft), Windows Xp (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 76% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS (30-day exploit likelihood)

76%

Higher than 99.5% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2006-4688 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
Windows 2000Microsoft	See advisory	n/a
Windows 2003 ServerMicrosoft	sp1	n/a
Windows XpMicrosoft	See advisory	n/a

Timeline

Publicly disclosed
Nov 14, 2006
Last updated
Apr 22, 2026

References

8 more references in the full CVE brief

FAQ

Common Questions.

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."
Affected: Windows 2000 (Microsoft); Windows 2003 Server (Microsoft) versions sp1; Windows Xp (Microsoft). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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