# CVE-2017-7269: Microsoft Windows Server Buffer Overflow Vulnerability

Source: https://junglewise.ai/threats/cve-2017-7269-microsoft-windows-server-buffer-overflow-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2017-7269 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2021-11-03

A stack-based buffer overflow vulnerability exists in the ScStoragePathFromUrl function within the WebDAV service of Microsoft IIS 6.0. Remote attackers can exploit this by sending a specially crafted PROPFIND request containing a long 'If' header, leading to arbitrary code execution.

Technologies: [Microsoft Internet Information Services (Iis)](https://junglewise.ai/threats/technologies/internet-information-services-iis). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2017-7269 exploited in the wild?** Yes. CVE-2017-7269 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

**How severe is CVE-2017-7269?** Critical severity, with a CVSS score of 9.8, published 3 November 2021.

**Which products and versions are affected?** Microsoft Internet Information Services (IIS) 6.0 6.0; Microsoft Windows Server 2003 R2 R2.

**Is there a fix for CVE-2017-7269?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2017-7269 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2017-7269?** Check whether you run Microsoft Internet Information Services (Iis). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Internet Information Services (IIS) 6.0 6.0
- Microsoft Windows Server 2003 R2 R2

## Timeline

- 2016-07: exploited: Exploited in the wild as early as July or August 2016.
- 2017-03-26: disclosed: Initial public disclosure of the vulnerability.
- 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.