November 3, 2021 · Applied Cybernetics Group
CVE-2017-7269 — Microsoft Internet Information Services (IIS)
Microsoft Windows Server Buffer Overflow Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- Microsoft
- Product
- Internet Information Services (IIS)
- EPSS
- 100.0th percentile (score 0.998, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2017-7269
CISA short description
Microsoft Windows Server 2003 R2 contains a buffer overflow vulnerability in Internet Information Services (IIS) 6.0 which allows remote attackers to execute code via a long header beginning with "If: <http://" in a PROPFIND request.
Required action
Apply updates per vendor instructions.