CVE-2000-0403: n/a vulnerability

CVE-2000-0403: The CIFS Computer Browser service on Windows NT 4.0 allows a remote attacker to cause a denial of service b...

The CIFS Computer Browser service on Windows NT 4.0 allows a remote attacker to cause a denial of service by sending a large number of host announcement requests to the master browse tables, aka the "HostAnnouncement Flooding" or "HostAnnouncement Frame" vulnerability.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 05:14 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2000-0403 is a legacy Windows NT 4.0 denial-of-service issue. A remote attacker could overwhelm the CIFS Computer Browser service by sending many host announcement requests, disrupting master browse tables. The bundle does not show data theft, code execution, or active exploitation. Exposure is most likely limited to legacy Windows NT 4.0 systems running CIFS Computer Browser functionality where remote traffic can reach the service. The provided bundle does not identify other affected products or versions. Prioritize if any Windows NT 4.0 systems remain connected to business networks. Otherwise, this is mainly a legacy asset-management risk with limited urgency from the provided evidence. Mitigation focus: Check Microsoft MS00-036 and Q263307 for vendor remediation guidance.; Inventory any remaining Windows NT 4.0 systems and browser service usage.; Restrict remote access to legacy CIFS/browser services where still present..

Prepared: Jul 12, 2026, 03:43 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

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 12, 2000, 04:00 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

2Source 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
MS00-036CVE reference · vendor-advisory, x_refsource_MS

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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