Buffer overflow in Microsoft Internet Information Services (IIS) 7.5, when FastCGI is…
Priority HIGH 65CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in Microsoft Internet Information Services (IIS) 7.5, when FastCGI is enabled, allows remote attackers to execute arbitrary code via crafted headers in a request, aka "Request Header Buffer Overflow Vulnerability."
Why it matters now
EPSS 0.32826 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-2730
- 2026-10-03 Alias added: GHSA-4xrq-3wgc-c88v
References
Advisory 1
Other 1
More Microsoft Internet Information Services vulnerabilities
- TI-2017-04947 Buffer overflow in the ScStoragePathFromUrl function in the WebDAV service in Internet… KEVCVSS 3.1CRITICAL 9.8
- TI-2010-03770 Heap-based buffer overflow in the TELNET_STREAM_CONTEXT::OnSendData function in… CVSS 2.0HIGH 10.0
- TI-2007-02725 The "hit-highlighting" functionality in webhits.dll in Microsoft Internet Information… CVSS 2.0HIGH 10.0
- TI-2009-01456 The WebDAV extension in Microsoft Internet Information Services (IIS) 5.1 and 6.0 allows… CVSS 2.0HIGH 7.5
- TI-2009-01064 The WebDAV extension in Microsoft Internet Information Services (IIS) 5.0 on Windows 2000… CVSS 2.0HIGH 7.5
- TI-2005-04103 The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP… CVSS 2.0HIGH 7.8
Sources
- CVE-2010-2730 · CVE Program
- CVE-2010-2730 · NVD
- FIRST EPSS
- GHSA-4xrq-3wgc-c88v · GitHub Advisory Database · CC BY 4.0
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