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CVE-2006-6696

UnknownEPSS 3.28%

Last modified

CVE-2006-6696 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.28% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
3.28%

86.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 2000All versions—
MicrosoftWindows 2003 Serverdatacenter_edition—
MicrosoftWindows 2003 Serverenterprise_editionSp1
MicrosoftWindows 2003 Serversp1—
MicrosoftWindows 2003 Serverstandard—
MicrosoftWindows 2003 Serverweb—
MicrosoftWindows VistaAll versions—
MicrosoftWindows XpAll versions—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2006-6696?
Severity scoring for CVE-2006-6696 is pending analysis. The EPSS model estimates a 3.28% probability of exploitation in the next 30 days.
How do I fix CVE-2006-6696?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-6696?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST