Double free vulnerability in Microsoft Windows 2000, XP, 2003, and Vista allows local users to gain privileges by calling the MessageBox…

Description

Double free vulnerability in Microsoft Windows 2000, XP, 2003, and Vista allows local users to gain privileges by calling the MessageBox function with a MB_SERVICE_NOTIFICATION message with crafted data, which sends a HardError message to Client/Server Runtime Server Subsystem (CSRSS) process, which is not properly handled when invoking the UserHardError and GetHardErrorText functions in WINSRV.DLL.

Scores

EPSS (exploitation in 30 days)

3.4% · top 11% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.

Weakness

• n/a
• CWE-119 (opens in a new tab)All about CWE-119 and its CVEs

Affected products

• n/a

  • affected n/a

References (23)

• http://www.kuban.ru/forum_new/forum2/files/19124.html (opens in a new tab)x_refsource_MISCx_transferred
• 20061230 csrss.exe double-free vulnerability - arbitrary DWORD overwrite exploit (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• HPSBST02208 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 1017433 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• http://groups.google.ca/group/microsoft.public.win32.programmer.kernel/browse_thread/thread/c5946bf40f227058/7bd7b5d66a4e5aff (opens in a new tab)x_refsource_MISCx_transferred
• http://www.security.nnov.ru/Gnews944.html (opens in a new tab)x_refsource_MISCx_transferred
• http://research.eeye.com/html/alerts/zeroday/20061215.html (opens in a new tab)x_refsource_MISCx_transferred
• http://www.determina.com/security.research/vulnerabilities/csrss-harderror.html (opens in a new tab)x_refsource_MISCx_transferred
• 20061221 Re: [Full-disclosure] Microsoft Windows XP/2003/Vista memorycorruption 0day (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• http://blogs.technet.com/msrc/archive/2006/12/22/new-report-of-a-windows-vulnerability.aspx (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20061222 Re: Re: [Full-disclosure] Microsoft Windows XP/2003/Vista memory corruption 0day (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 21688 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• MS07-021 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
• oval:org.mitre.oval:def:1816 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• ADV-2007-1325 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://www.security.nnov.ru/files/messagebox.c (opens in a new tab)x_refsource_MISCx_transferred
• 20061221 Microsoft Windows XP/2003/Vista memory corruption 0day (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• 23324 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 20061221 Re: [Full-disclosure] Microsoft Windows XP/2003/Vista memory corruption 0day (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20061221 Microsoft Windows XP/2003/Vista memory corruption 0day (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 23448 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://isc.sans.org/diary.php?n&storyid=1965 (opens in a new tab)x_refsource_MISCx_transferred
• ADV-2006-5120 (opens in a new tab)vdb-entryx_refsource_VUPENx_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

[![CVE-2006-6696](https://trackcve.app/badge/CVE-2006-6696.svg)](https://trackcve.app/cve/CVE-2006-6696)

Record last updated 7 Aug 2024, 20:34 UTC.