MS11-056: Vulnerabilities in Windows Client/Server Run-time Subsystem Could Allow Elevation of Privilege (2507938)

medium Nessus Plugin ID 55572


Users can elevate their privileges on the remote host.


The remote host allows elevation of privileges in its Windows Client/Server run-time subsystem (CSRSS). An attacker could exploit these vulnerabilities to run arbitrary code in kernel mode. The attacker must have valid login credentials and be able to log on locally in order to exploit these vulnerabilities.


Microsoft has released a set of patches for Windows XP, 2003, Vista, 2008, 7, and 2008 R2.

See Also

Plugin Details

Severity: Medium

ID: 55572

File Name: smb_nt_ms11-056.nasl

Version: 1.14

Type: local

Agent: windows

Published: 7/12/2011

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information


Risk Factor: High

Score: 7.4


Risk Factor: Medium

Base Score: 6.2

Temporal Score: 5.1

Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/12/2011

Vulnerability Publication Date: 7/12/2011

Exploitable With

Core Impact

Reference Information

CVE: CVE-2011-1281, CVE-2011-1282, CVE-2011-1283, CVE-2011-1284, CVE-2011-1870

BID: 48588, 48598, 48604, 48605, 48606

MSFT: MS11-056

MSKB: 2507938