CVE-2017-0055

MEDIUM

Microsoft IIS Server - Cross-Site Scripting via Crafted Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-0055. PoCs published by NetJBS.

AI-analyzed exploit summary This repository contains a functional proof-of-concept for CVE-2017-0055, a cross-site scripting (XSS) vulnerability in Microsoft IIS. The exploit leverages improper handling of UNC paths to inject malicious JavaScript code.

Description

Microsoft Internet Information Server (IIS) in Windows Vista SP2; Windows Server 2008 SP2 and R2; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to perform cross-site scripting and run script with local user privileges via a crafted request, aka "Microsoft IIS Server XSS Elevation of Privilege Vulnerability."

Exploits (1)

nomisec WORKING POC
by NetJBS · poc
https://github.com/NetJBS/CVE-2017-0055-PoC

This repository contains a functional proof-of-concept for CVE-2017-0055, a cross-site scripting (XSS) vulnerability in Microsoft IIS. The exploit leverages improper handling of UNC paths to inject malicious JavaScript code.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Microsoft IIS 7.0/7.5/8.0/8.5/10
No auth needed
Prerequisites: Access to a vulnerable IIS server
MITRE ATT&CK
mistral-large-3 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/96622
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038012

Scores

CVSS v3 6.1
EPSS 0.1637
EPSS Percentile 96.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (13)
microsoft/windows_10
microsoft/windows_10 1511
microsoft/windows_10 1607
microsoft/windows_7
microsoft/windows_8.1
microsoft/windows_rt_8.1
microsoft/windows_server_2008
microsoft/windows_server_2008 r2
microsoft/windows_server_2012
microsoft/windows_server_2012 r2
... and 3 more
Published Mar 17, 2017
Tracked Since Feb 18, 2026