CVE-2006-2373
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."
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-264
- EPSS score
- 29.2% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-2374)
- Published
- June 13, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-2374 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / windows 2000
- microsoft / windows server 2003
- microsoft / windows server 2003
- microsoft / windows server 2003
- microsoft / windows xp
- microsoft / windows xp
- microsoft / windows xp
Certified products that may be affected
4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Windows XP Enhanced Cryptographic Provider (RSAENH) - Microsoft Corporation - FIPS 140 989 - historical
- Windows XP Enhanced DSS and Diffie-Hellman Cryptographic Provider (DSSENH) - Microsoft Corporation - FIPS 140 990 - historical
- Microsoft Windows Server 2003 SP2 including R2, Standard, Enterprise, Datacenter, x64, and Itanium Editions; Windows XP Professional SP2 and x64 SP2; Windows XP Embedded SP2 - Microsoft Corporation - Common Criteria CCEVS-VR-VID-10184-2008 - archived
- Microsoft Windows 2003 and Microsoft Windows XP - Microsoft Corporation - Common Criteria CCEVS-VR-0131-2005 - archived
References
- http://secunia.com/advisories/20635(Third Party Advisory)
- http://securitytracker.com/id?1016288(Third Party Advisory, VDB Entry)
- http://www.idefense.com/intelligence/vulnerabilities/display.php?id=408(Third Party Advisory)
- http://www.osvdb.org/26440(Broken Link)
- http://www.securityfocus.com/bid/18356(Patch, Third Party Advisory, VDB Entry)
- http://www.vupen.com/english/advisories/2006/2327(Vendor Advisory)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-030(Patch, Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/26828(Third Party Advisory, VDB Entry)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1137(Third Party Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1730(Third Party Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1792(Third Party Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1904(Third Party Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1942(Third Party Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2007(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain