CVE-2009-0086 in the critical feed json
Integer underflow in Windows HTTP Services (aka WinHTTP) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold…
published 2009-04-15 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0095
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 14.1%
- EPSS 14.1% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
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."
Exploit prediction
14.15% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-189 Numeric Errors
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2009/ms09-013
vendor-advisory
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6149
vdb-entry, signature
-
securityfocus.com
/bid/34435
vdb-entry
-
secunia.com
/advisories/34677
third-party-advisory
-
us-cert.gov
/cas/techalerts/TA09-104A.html
third-party-advisory, us-government-resource
-
securitytracker.com
/id?1022041
vdb-entry
-
osvdb.org
/53620
vdb-entry
-
vupen.com
/english/advisories/2009/1027
vdb-entry
Sources
- CVE List CVE-2009-0086
- NVD CVE-2009-0086
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