Vulnerability Report

CVE-2011-1877

Title: Microsoft Windows Server 2008 Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2011-1877.

CWE Category CWE-399
Published Date Jul 13, 2011
Modified Date Jun 16, 2026
Exploit Status Not Found
Score 7.2 CVSS v2.0
Exploit Probability (EPSS)
1.54%

Vulnerability Summary

CVE-2011-1877: Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, aka "Win32k Use After Free Vulnerability."

Impacted Vendors

M
microsoft 3

Reference Links

http://osvdb.org/73779 http://secunia.com/advisories/45186 http://support.avaya.com/css/P8/documents/100144947 http://www.securityfocus.com/bid/48591 http://www.securitytracker.com/id?1025761 http://www.us-cert.gov/cas/techalerts/TA11-193A.html https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12847 http://osvdb.org/73779 http://secunia.com/advisories/45186 http://support.avaya.com/css/P8/documents/100144947 http://www.securityfocus.com/bid/48591 http://www.securitytracker.com/id?1025761 http://www.us-cert.gov/cas/techalerts/TA11-193A.html https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12847
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.2
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2011-1877 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected Stack

No specific products linked.