---
id: CVE-1999-0233
title: IIS 1.0 allows users to execute arbitrary commands using .bat or .cmd files.
summary: IIS 1.0 allows users to execute arbitrary commands using .bat or .cmd files.
severity: critical
cvss: 10
cvssVector: 'AV:N/AC:L/Au:N/C:C/I:C/A:C'
published: '1996-02-25'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-0233'
references:
  - url: 'http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ148188'
    label: cve@mitre.org
  - url: 'http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ155056'
    label: cve@mitre.org
  - url: 'http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ148188'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ155056'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - exploit-available
epss: 0.16272
epssPercentile: 0.96803
ingestedAt: '2026-06-22T15:59:08.063Z'
exploitAvailable: true
exploits:
  exploitdb: true
  checkedAt: '2026-09-23T07:13:14.650Z'
---

## Overview

IIS 1.0 allows users to execute arbitrary commands using .bat or .cmd files.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.