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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…
High10.0EPSS 29.2%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
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."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 29.2% · top 1.8% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
Affected products
n/a
- affected n/a
References (14)
- 1016288 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- oval:org.mitre.oval:def:1942 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 20060613 Windows MRXSMB.SYS MRxSmbCscIoctlOpenForCopyChunk Overflow (opens in a new tab)third-party-advisoryx_refsource_IDEFENSEx_transferred
- oval:org.mitre.oval:def:1730 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- ADV-2006-2327 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- oval:org.mitre.oval:def:1137 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 26440 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 18356 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MS06-030 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- oval:org.mitre.oval:def:2007 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- oval:org.mitre.oval:def:1792 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- oval:org.mitre.oval:def:1904 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 20635 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- win-smb-privilege-escalation(26828) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2006-2373)Record last updated .