CVE-2009-0086

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 14.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-04-15 · updated 2026-06-16
Weakness: CWE-189

Description

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."

Affected products

Microsoft Windows 2000: all versions
Microsoft Windows Server 2003: all versions
Microsoft Windows Server 2008: all versions
Microsoft Windows Vista: gold
Microsoft Windows XP Service Pack 3: all versions

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
http://www.vupen.com/english/advisories/2009/1027
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-013
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6149
http://osvdb.org/53620
http://secunia.com/advisories/34677
http://www.securityfocus.com/bid/34435
http://www.securitytracker.com/id?1022041

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