HIGH
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."
Published Apr 15, 2009
10.0
HIGHCVSS 2.0
EPSS 14.15%
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
No data.
OR
- n/a
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- gold
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No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
14.15% 0.14150
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.14150
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (33 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 14.15% (0.14150) | 96.47th | v5 (v2026.06.15) |
| Jun 15, 2026 | 14.15% (0.14150) | 96.10th | v5 (v2026.06.15) |
| Dec 28, 2025 | 52.49% (0.52494) | 97.81th | v4 (v2025.03.14) |
| Dec 27, 2025 | 48.67% (0.48668) | 97.66th | v4 (v2025.03.14) |
| Oct 28, 2025 | 52.49% (0.52494) | 97.78th | v4 (v2025.03.14) |
| Oct 27, 2025 | 48.67% (0.48668) | 97.62th | v4 (v2025.03.14) |
| Oct 1, 2025 | 52.49% (0.52494) | 97.86th | v4 (v2025.03.14) |
| Mar 30, 2025 | 49.60% (0.49600) | 97.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 58.76% (0.58764) | 97.44th | v4 (v2025.03.14) |
| Mar 17, 2025 | 49.60% (0.49600) | 97.53th | v4 (v2025.03.14) |
| Mar 16, 2025 | 69.25% (0.69251) | 98.26th | v3 (v2023.03.01) |
| Feb 9, 2025 | 70.37% (0.70370) | 98.26th | v3 (v2023.03.01) |
| Jan 4, 2025 | 67.92% (0.67919) | 98.15th | v3 (v2023.03.01) |
| Dec 17, 2024 | 64.00% (0.63996) | 98.01th | v3 (v2023.03.01) |
| Dec 12, 2024 | 45.25% (0.45248) | 97.55th | v3 (v2023.03.01) |
| Oct 24, 2024 | 46.24% (0.46237) | 97.52th | v3 (v2023.03.01) |
| Aug 12, 2024 | 53.95% (0.53947) | 97.67th | v3 (v2023.03.01) |
| Apr 28, 2024 | 61.28% (0.61278) | 97.76th | v3 (v2023.03.01) |
| Mar 22, 2024 | 57.86% (0.57856) | 97.65th | v3 (v2023.03.01) |
| Oct 13, 2023 | 60.84% (0.60836) | 97.40th | v3 (v2023.03.01) |
| Sep 1, 2023 | 60.70% (0.60703) | 97.34th | v3 (v2023.03.01) |
| Jul 18, 2023 | 66.27% (0.66272) | 97.44th | v3 (v2023.03.01) |
| Jun 2, 2023 | 53.91% (0.53905) | 97.10th | v3 (v2023.03.01) |
| Apr 17, 2023 | 55.95% (0.55955) | 97.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 53.02% (0.53024) | 96.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 24.63% (0.24625) | 96.84th | v2 (v2022.01.01) |
| Sep 15, 2022 | 24.63% (0.24625) | 96.71th | v2 (v2022.01.01) |
| Jul 18, 2022 | 26.95% (0.26953) | 97.05th | v2 (v2022.01.01) |
| Jul 17, 2022 | 3.43% (0.03425) | 83.78th | v2 (v2022.01.01) |
| Jul 15, 2022 | 26.95% (0.26953) | 97.05th | v2 (v2022.01.01) |
| May 13, 2022 | 31.37% (0.31373) | 97.44th | v2 (v2022.01.01) |
| Mar 9, 2022 | 33.78% (0.33780) | 96.67th | v2 (v2022.01.01) |
| Feb 4, 2022 | 35.87% (0.35865) | 96.96th | v2 (v2022.01.01) |
Weaknesses (1)
References (8)
- http://osvdb.org/53620 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/34677 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/34435 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1022041 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA09-104A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2009/1027 vdb-entryx_refsource_VUPEN
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-013 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6149 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/53620 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/34677 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/34435 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1022041 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA09-104A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.vupen.com/english/advisories/2009/1027 | vdb-entryx_refsource_VUPEN | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-013 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6149 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Apr 15, 2009
Updated Aug 7, 2024
Reserved Jan 8, 2009
Link CVE-2009-0086
CISA Vulnrichment
Updated n/a