CVE-2006-2373

Name: CVE-2006-2373
Creator: NVD / NIST
Published: 2006-06-13T19:06:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 30.09%

Last modified Jun 16, 2026

CVE-2006-2373 is a vulnerability of currently unknown severity. The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows local users to execute arbitrary code by calling the MrxSmbCscIoctlOpenForCopyChunk function with the METHOD_NEITHER method flag and an arbitrary address, possibly for kernel memory, aka the "SMB Driver Elevation of Privilege Vulnerability.". EPSS estimates a 30.09% chance of exploitation in the next 30 days.

Description

The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows local users to execute arbitrary code by calling the MrxSmbCscIoctlOpenForCopyChunk function with the METHOD_NEITHER method flag and an arbitrary address, possibly for kernel memory, aka the "SMB Driver Elevation of Privilege Vulnerability."

Metrics

EPSS Probability

30.09%

98.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 2000	All versions	Sp4
Microsoft	Windows Server 2003	All versions	—
Microsoft	Windows Xp	All versions	—

References

http://secunia.com/advisories/20635Third Party Advisory
http://securitytracker.com/id?1016288Third Party Advisory, VDB Entry
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=408Third Party Advisory
http://www.osvdb.org/26440Broken Link
http://www.securityfocus.com/bid/18356Patch, Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2006/2327Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-030Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/26828Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1137Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1730Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1792Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1904Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1942Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2007Third Party Advisory
http://secunia.com/advisories/20635Third Party Advisory
http://securitytracker.com/id?1016288Third Party Advisory, VDB Entry
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=408Third Party Advisory
http://www.osvdb.org/26440Broken Link
http://www.securityfocus.com/bid/18356Patch, Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2006/2327Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-030Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/26828Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1137Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1730Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1792Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1904Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1942Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2007Third Party Advisory

Timeline

Published: Jun 13, 2006
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2006-2373?

How severe is CVE-2006-2373?

Severity scoring for CVE-2006-2373 is pending analysis. The EPSS model estimates a 30.09% probability of exploitation in the next 30 days.

How do I fix CVE-2006-2373?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-2373?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST