VDB-14719 · CVE-1999-0728 · MS99-024

Microsoft Windows NT 4.0 IOCTL access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Microsoft Windows NT 4.0. It has been classified as problematic. Affected by this issue is some unknown functionality of the component IOCTL Handler. This manipulation causes access control. The identification of this vulnerability is CVE-1999-0728. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in Microsoft Windows NT 4.0 (Operating System) and classified as critical. Affected by this vulnerability is an unknown code block of the component IOCTL Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect availability. The summary by CVE is:

A Windows NT user can disable the keyboard or mouse by directly calling the IOCTLs which control them.

The weakness was shared 07/06/1999 as MS99-024 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is known as CVE-1999-0728. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version XP or 2000 eliminates this vulnerability. Applying the patch MS99-024 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the databases at X-Force (3569) and Vulnerability Center (SBV-757†). The entry VDB-14718 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Microsoft

Name

Windows

Version

NT 4.0

License

commercial

Website

Vendor: https://www.microsoft.com/
Product: https://www.microsoft.com/en-us/windows

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: Windows XP/2000
Patch: MS99-024

Timelineinfo

07/06/1999 🔍
07/06/1999 +0 days 🔍
07/06/1999 +0 days 🔍
01/29/2003 +1303 days 🔍
06/21/2014 +4161 days 🔍
04/19/2026 +4320 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS99-024
Status: Confirmed

CVE: CVE-1999-0728 (🔍)
GCVE (CVE): GCVE-0-1999-0728
GCVE (VulDB): GCVE-100-14719
X-Force: 3569
Vulnerability Center: 757 - [MS99-024] WinNT keyboard and mouse can be disabled by NT user, Low

See also: 🔍

Entryinfo

Created: 06/21/2014 12:04
Updated: 04/19/2026 06:12
Changes: 06/21/2014 12:04 (45), 05/08/2019 16:13 (16), 04/19/2026 06:12 (16)
Complete: 🔍
Cache ID: 216::103