CVE-2017-7269Buffer 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…
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It affects microsoft internet_information_services. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022. Treat that date as your deadline.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-120
- Known exploited
- Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 99.82% (percentile 100)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
microsoft internet_information_services microsoft:internet_information_services | 6.0 | NVD |
References
- https://www.exploit-db.com/exploits/41992/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://www.securityfocus.com/bid/97127vdb-entry, x-refsource-bid, broken-link, third-party-advisory
- https://medium.com/%40iraklis/number-of-internet-facing-vulnerable-iis-6-0-to-cve-2017-7269-8bd153ef5812x-refsource-misc, exploit
- https://github.com/rapid7/metasploit-framework/pull/8162x-refsource-misc, issue-tracking, patch
- https://github.com/danigargu/explodingcanx-refsource-misc, exploit
- http://www.securitytracker.com/id/1038168vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
- https://www.exploit-db.com/exploits/41738/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- https://support.microsoft.com/en-us/help/3197835/description-of-the-security-update-for-windows-xp-and-windows-serverx-refsource-confirm, broken-link, patch, vendor-advisory
- https://0patch.blogspot.com/2017/03/0patching-immortal-cve-2017-7269.htmlx-refsource-misc, exploit, third-party-advisory
- https://github.com/edwardz246003/IIS_exploitx-refsource-misc, broken-link, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7269us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.