What’s Vulnerable › Vulnerabilities

CVE-2006-2373

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 29.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2006-06-13 · updated 2026-06-16
• Weakness: CWE-264

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."

Affected products

• Microsoft Windows 2000: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows XP Service Pack 3: all versions

References

• http://secunia.com/advisories/20635
• http://securitytracker.com/id?1016288
• http://www.idefense.com/intelligence/vulnerabilities/display.php?id=408
• http://www.osvdb.org/26440
• http://www.securityfocus.com/bid/18356
• http://www.vupen.com/english/advisories/2006/2327
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-030
• https://exchange.xforce.ibmcloud.com/vulnerabilities/26828
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1137
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1730
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1792
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1904

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