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CVE-2009-0086
Integer underflow in Windows HTTP Services (aka WinHTTP) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista…
High10.0EPSS 14.1%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
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."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 14.1% · top 3.4% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
Affected products
n/a
- affected n/a
References (8)
- oval:org.mitre.oval:def:6149 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 34435 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 34677 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- TA09-104A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- 1022041 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 53620 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- ADV-2009-1027 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- MS09-013 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2009-0086)Record last updated .