CVE-2006-6696

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.

CVSS v2.0 NVD

6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS

3.41% chance of exploitation in the next 30 days, 89th percentile

Published

2006-12-22

Updated

2024-08-07

Proof-of-concept exploits (1)

• http://www.securityfocus.com/archive/1/455546/100/0/threaded

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/3024
• https://www.exploit-db.com/exploits/2967

Security advisories

• http://secunia.com/advisories/23448
• http://www.securityfocus.com/bid/21688
• http://www.securityfocus.com/bid/23324
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-021

References

• CVE Record
• NVD entry