Microsoft Windows up to XP Registry HKEY_CLASSES_ROOT privileges management

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k1.34

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft Windows up to XP. Impacted is an unknown function of the component Registry Handler. Such manipulation of the argument HKEY_CLASSES_ROOT leads to privileges management. This vulnerability is referenced as CVE-1999-0581. Furthermore, an exploit is available. Changing the configuration settings is recommended.

Detailsinfo

A vulnerability was found in Microsoft Windows up to XP (Operating System) and classified as critical. Affected by this issue is an unknown part of the component Registry Handler. The manipulation of the argument HKEY_CLASSES_ROOT with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The HKEY_CLASSES_ROOT key in a Windows NT system has inappropriate, system-critical permissions.

The weakness was published 01/01/1999. This vulnerability is handled as CVE-1999-0581. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.

It is declared as highly functional. As 0-day the estimated underground price was around $25k-$100k.

It is possible to mitigate the problem by applying the configuration setting .

The vulnerability is also documented in the databases at X-Force (23) and Vulnerability Center (SBV-961†). Similar entries are available at VDB-14362, VDB-14361, VDB-14359 and VDB-14358. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Config
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/1999 🔍
01/01/1999 +0 days 🔍
01/01/1999 +0 days 🔍
02/23/2003 +1514 days 🔍
06/19/2014 +4134 days 🔍
04/18/2026 +4320 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Status: Not defined

CVE: CVE-1999-0581 (🔍)
GCVE (CVE): GCVE-0-1999-0581
GCVE (VulDB): GCVE-100-14360
X-Force: 23
Vulnerability Center: 961 - Any user can write HKEY_CLASSES_ROOT, Critical

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 06/20/2014 00:59
Updated: 04/18/2026 00:52
Changes: 06/20/2014 00:59 (40), 05/09/2019 16:55 (16), 04/18/2026 00:52 (20)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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