What’s Vulnerable › Vulnerabilities

CVE-2011-1870

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-07-13 · updated 2026-06-16
• Weakness: CWE-189

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."

Affected products

• Microsoft Windows 2003 Server: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows XP Service Pack 3: all versions

References

• http://osvdb.org/73795
• http://www.securityfocus.com/bid/48605
• http://www.us-cert.gov/cas/techalerts/TA11-193A.html
• 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
• 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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