CVE-2006-3942: n/a vulnerability

CVE-2006-3942: The server driver (srv.sys) in Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers...

The server driver (srv.sys) in Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers to cause a denial of service (system crash) via an SMB_COM_TRANSACTION SMB message that contains a string without null character termination, which leads to a NULL dereference in the ExecuteTransaction function, possibly related to an "SMB PIPE," aka the "Mailslot DOS" vulnerability. NOTE: the name "Mailslot DOS" was derived from incomplete initial research; the vulnerability is not associated with a mailslot.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 18:48 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Microsoft Windows SMB denial-of-service flaw. A malformed SMB transaction message can crash affected Windows systems, causing business interruption but not documented code execution in the provided sources. Exposure is most likely where legacy affected Windows systems still run SMB and accept traffic from untrusted or broad internal networks. Modern Windows versions are not identified as affected in the provided bundle. Prioritize if affected legacy Windows systems support critical services or expose SMB beyond tightly trusted networks. Otherwise, handle through legacy-risk reduction and patch verification. Mitigation focus: Apply Microsoft guidance and fixes from MS06-063 where applicable.; Restrict SMB access to trusted systems and networks only.; Retire or isolate affected legacy Windows hosts where patching is not feasible..

Prepared: Jun 29, 2026, 11:12 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 31, 2006, 23:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
MS06-063CVE reference · vendor-advisory, x_refsource_MS
smb-malformed-pipe(27999)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:428CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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