Microsoft Windows NT 4.0 LSA/LSARPC LSASS.EXE access control

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows NT 4.0. It has been classified as problematic. This vulnerability affects unknown code of the file LSASS.EXE of the component LSA/LSARPC. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-1999-0227. No exploit exists. This vulnerability is considered historic because of its background and reception. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Windows NT 4.0 (Operating System). This issue affects an unknown code block of the file LSASS.EXE of the component LSA/LSARPC. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is availability. The summary by CVE is:

access violation in lsass.exe (lsa/lsarpc) program in windows nt allows a denial of service.

The bug was discovered 06/28/1997. The weakness was disclosed 06/01/1997 as Q154087 as not defined knowledge base article (Website). It is possible to read the advisory at support.microsoft.com. The identification of this vulnerability is CVE-1999-0227. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/16/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK. Due to its background and reception, this vulnerability has a historic impact.

Upgrading to version XP or 2000 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (1892), OSVDB (11477†) and Vulnerability Center (SBV-20402†). The entry VDB-13911 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Windows XP/2000

Timelineinfo

06/01/1997 🔍
06/01/1997 +0 days 🔍
06/01/1997 +0 days 🔍
06/28/1997 +27 days 🔍
01/08/2009 +4212 days 🔍
06/18/2014 +1987 days 🔍
04/16/2026 +4320 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: Q154087
Status: Confirmed

CVE: CVE-1999-0227 (🔍)
GCVE (CVE): GCVE-0-1999-0227
GCVE (VulDB): GCVE-100-13907
X-Force: 1892
OSVDB: 11477 - CVE-1999-0227 - Microsoft - Windows NT - Denial of Service Issue
Vulnerability Center: 20402 - Microsoft Windows NT LSASS.EXE Program Access Violation Allows Remote Denial of Service, High

See also: 🔍

Entryinfo

Created: 06/18/2014 11:36
Updated: 04/16/2026 20:17
Changes: 06/18/2014 11:36 (60), 08/23/2019 10:40 (3), 04/16/2026 20:17 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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