{"id":"CVE-2011-1870","aliases":["EUVD-2011-1868","GHSA-2gv3-qv3h-h8cf"],"status":"published","title":"Integer overflow in the Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in...","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.\"","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02244,"percentile":0.82984,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189"],"published":"2011-07-13T23:00:00Z","modified":"2026-06-16T23:30:16Z","products":[{"vendor":"microsoft","product":"windows_2003_server"},{"vendor":"microsoft","product":"windows_server_2003"},{"vendor":"microsoft","product":"windows_xp"}],"references":[{"url":"http://www.us-cert.gov/cas/techalerts/TA11-193A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/48605","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12889","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-056","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://osvdb.org/73795","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1870"},{"url":"https://github.com/advisories/GHSA-2gv3-qv3h-h8cf"}],"sources":{"cve":[{"id":"CVE-2011-1870","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.\"","status":"published","published":"2011-07-13T23:00:00Z","modified":"2024-08-06T22:45:59.957Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1868","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.\"","status":"published","published":"2011-07-13T23:00:00Z","modified":"2024-08-06T22:45:59Z","updated_at":"2026-11-03T01:55:54.666744Z"}],"ghsa":[{"id":"GHSA-2gv3-qv3h-h8cf","title":"Integer overflow in the Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in...","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.\"","status":"published","published":"2022-05-14T01:32:14Z","modified":"2023-02-02T05:03:49Z","updated_at":"2026-11-02T14:51:43.477916Z"}],"nvd":[{"id":"CVE-2011-1870","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.\"","status":"published","published":"2011-07-13T23:55:00.897Z","modified":"2026-06-16T23:30:16.603Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:02:09.182398Z"}]}}