What is the severity of CVE-1999-0376?

CVE-1999-0376 has a high severity rating due to potential privilege escalation for local users.

How do I fix CVE-1999-0376?

To mitigate CVE-1999-0376, ensure that only trusted applications are listed in the KnownDLLs registry key.

What versions of Windows NT are affected by CVE-1999-0376?

CVE-1999-0376 affects Windows NT versions 3.5.1 and 4.0, including various service packs.

Can CVE-1999-0376 be exploited remotely?

CVE-1999-0376 is not a remote vulnerability; it requires local access to exploit.

What type of vulnerability is CVE-1999-0376?

CVE-1999-0376 is a local privilege escalation vulnerability that allows unauthorized access to administrator-level privileges.

Vulnerability/
CVE-1999-0376

medium

4.6

CWE

NVD-CWE-Other

20/2/1999

29/9/1999

3/4/2025

CVE-1999-0376

First published: Sat Feb 20 1999(Updated: )

Local users in Windows NT can obtain administrator privileges by changing the KnownDLLs list to reference malicious programs.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Microsoft Windows NT	=3.5.1
Microsoft Windows NT	=4.0
Microsoft Windows NT	=4.0-sp2
Microsoft Windows NT	=4.0-sp1
Microsoft Windows NT	=4.0-sp4
Microsoft Windows NT	=4.0-sp3
	=3.5.1
	=4.0
	=4.0-sp1
	=4.0-sp2
	=4.0-sp3
	=4.0-sp4

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Reference Links

https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-006

Frequently Asked Questions

What is the severity of CVE-1999-0376?
CVE-1999-0376 has a high severity rating due to potential privilege escalation for local users.
How do I fix CVE-1999-0376?
To mitigate CVE-1999-0376, ensure that only trusted applications are listed in the KnownDLLs registry key.
What versions of Windows NT are affected by CVE-1999-0376?
CVE-1999-0376 affects Windows NT versions 3.5.1 and 4.0, including various service packs.
Can CVE-1999-0376 be exploited remotely?
CVE-1999-0376 is not a remote vulnerability; it requires local access to exploit.
What type of vulnerability is CVE-1999-0376?
CVE-1999-0376 is a local privilege escalation vulnerability that allows unauthorized access to administrator-level privileges.

agent/type
agent/first-publish-date
collector/mitre-cve
source/MITRE
agent/severity
agent/references
agent/weakness
agent/description
agent/last-modified-date
agent/author
agent/softwarecombine
agent/event
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agent/tags
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
collector/nvd-historical
collector/nvd-index
vendor/microsoft
canonical/microsoft windows nt
version/microsoft windows nt/3.5.1
version/microsoft windows nt/4.0
version/microsoft windows nt/4.0-sp1
version/microsoft windows nt/4.0-sp2
version/microsoft windows nt/4.0-sp3
version/microsoft windows nt/4.0-sp4

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