CVE-2017-7269

Name: CVE-2017-7269
Creator: NVD / NIST
Published: 2017-03-27T02:59:00.453+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 99.82%

Last modified Jun 17, 2026

CVE-2017-7269 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Buffer overflow in the ScStoragePathFromUrl function in the WebDAV service in Internet Information Services (IIS) 6.0 in Microsoft Windows Server 2003 R2 allows remote attackers to execute arbitrary code via a long header beginning with "If: <http://" in a PROPFIND request, as exploited in the wild in July or August 2016.. CISA has confirmed active exploitation in the wild. EPSS estimates a 99.82% chance of exploitation in the next 30 days.

Description

Buffer overflow in the ScStoragePathFromUrl function in the WebDAV service in Internet Information Services (IIS) 6.0 in Microsoft Windows Server 2003 R2 allows remote attackers to execute arbitrary code via a long header beginning with "If: <http://" in a PROPFIND request, as exploited in the wild in July or August 2016.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

99.82%

100.0th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by May 3, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Microsoft	Internet Information Services	6.0

References

http://www.securityfocus.com/bid/97127Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038168Broken Link, Third Party Advisory, VDB Entry
https://0patch.blogspot.com/2017/03/0patching-immortal-cve-2017-7269.htmlExploit, Third Party Advisory
https://github.com/danigargu/explodingcanExploit
https://github.com/edwardz246003/IIS_exploitBroken Link, Third Party Advisory
https://github.com/rapid7/metasploit-framework/pull/8162Issue Tracking, Patch
https://medium.com/%40iraklis/number-of-internet-facing-vulnerable-iis-6-0-to-cve-2017-7269-8bd153ef5812Exploit
https://support.microsoft.com/en-us/help/3197835/description-of-the-security-update-for-windows-xp-and-windows-serverBroken Link, Patch, Vendor Advisory
https://www.exploit-db.com/exploits/41738/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/41992/Exploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/97127Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038168Broken Link, Third Party Advisory, VDB Entry
https://0patch.blogspot.com/2017/03/0patching-immortal-cve-2017-7269.htmlExploit, Third Party Advisory
https://github.com/danigargu/explodingcanExploit
https://github.com/edwardz246003/IIS_exploitBroken Link, Third Party Advisory
https://github.com/rapid7/metasploit-framework/pull/8162Issue Tracking, Patch
https://medium.com/%40iraklis/number-of-internet-facing-vulnerable-iis-6-0-to-cve-2017-7269-8bd153ef5812Exploit
https://support.microsoft.com/en-us/help/3197835/description-of-the-security-update-for-windows-xp-and-windows-serverBroken Link, Patch, Vendor Advisory
https://www.exploit-db.com/exploits/41738/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/41992/Exploit, Third Party Advisory, VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7269US Government Resource

Timeline

Published: Mar 27, 2017
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2017-7269?

How severe is CVE-2017-7269?

CVE-2017-7269 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 99.82% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2017-7269?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7269?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST