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Vulnerability record · CVE-2011-1870 · published 13 July 2011

CVE-2011-1870: Microsoft windows 2003 server vulnerability

Microsoft · Windows 2003 Server

Integer overflow in the Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2 and SP3, and Windows Server 2003 SP2, allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that triggers an incorrect memory assignment for a user transaction, aka "CSRSS Local EOP SrvWriteConsoleOutputString Vulnerability."

7.2 CVSS 2.0 High EPSS 2.2% · top 17.5% CWE-189 · CWE-189
7.2CVSS 2.0 base score
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

Integer overflow in the Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2 and SP3, and Windows Server 2003 SP2, allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that triggers an incorrect memory assignment for a user transaction, aka "CSRSS Local EOP SrvWriteConsoleOutputString Vulnerability."

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/73795
http://www.securityfocus.com/bid/48605
http://www.us-cert.gov/cas/techalerts/TA11-193A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-056
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12889
http://osvdb.org/73795
http://www.securityfocus.com/bid/48605
http://www.us-cert.gov/cas/techalerts/TA11-193A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-056
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12889

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-1870), CISA KEV, FIRST EPSS (scores of 2026-10-15). This page is refreshed as NVD updates the record.