CVE-2009-0086

no score yetEPSS 14%

Integer underflow in Windows HTTP Services (aka WinHTTP) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote HTTP servers to execute arbitrary code via crafted parameter values in a response, related to error handling, aka "Windows HTTP Services Integer Underflow Vulnerability."

EPSS: 14% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWE: CWE-189
Published: 2009-04-15
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

microsoft:windows_2000
microsoft:windows_server_2003
microsoft:windows_server_2008
microsoft:windows_vista
microsoft:windows_xp

References

http://osvdb.org/53620
http://secunia.com/advisories/34677
http://www.securityfocus.com/bid/34435
http://www.securitytracker.com/id?1022041
http://www.us-cert.gov/cas/techalerts/TA09-104A.html

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