CVE-2006-6578 — Microsoft Internet Information Services (IIS) 5.1 permits the IUSR_Machine account to execute non-EXE files such as .COM files, which allows attackers to execute arbitrary commands via arguments to any .COM file that executes those arguments, as demonstrated using win.com when it is in a web directory with certain permissions

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HIGH

Microsoft Internet Information Services (IIS) 5.1 permits the IUSR_Machine account to execute non-EXE files such as .COM files, which allows attackers to execute arbitrary commands via arguments to any .COM file that executes those arguments, as demonstrated using win.com when it is in a web directory with certain permissions

Published Dec 15, 2006

7.5

HIGH

CVSS 2.0

EPSS 7.04%

Description

Microsoft Internet Information Services (IIS) 5.1 permits the IUSR_Machine account to execute non-EXE files such as .COM files, which allows attackers to execute arbitrary commands via arguments to any .COM file that executes those arguments, as demonstrated using win.com when it is in a web directory with certain permissions.

Affected products

Remediation

No remediation recorded yet.

Metrics

7.04% 0.07037

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.07037

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	7.04% (0.07037)	93.99th	v5 (v2026.06.15)
Jun 15, 2026	6.64% (0.06642)	92.99th	v5 (v2026.06.15)
Mar 30, 2025	1.33% (0.01335)	78.17th	v4 (v2025.03.14)
Mar 29, 2025	4.01% (0.04015)	80.46th	v4 (v2025.03.14)
Mar 17, 2025	1.33% (0.01335)	78.64th	v4 (v2025.03.14)
Dec 12, 2024	2.09% (0.02091)	89.56th	v3 (v2023.03.01)
Aug 20, 2024	1.49% (0.01485)	87.06th	v3 (v2023.03.01)
Feb 8, 2024	0.34% (0.00337)	70.52th	v3 (v2023.03.01)
Mar 7, 2023	0.34% (0.00335)	66.65th	v3 (v2023.03.01)
Mar 6, 2023	3.88% (0.03884)	85.64th	v2 (v2022.01.01)
Apr 1, 2022	3.88% (0.03884)	84.17th	v2 (v2022.01.01)
Feb 4, 2022	3.88% (0.03884)	67.42th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (2)

http://securityreason.com/securityalert/2036
third-party-advisoryx_refsource_SREASONExploitThird Party Advisory
http://www.securityfocus.com/archive/1/454268/100/0/threaded
mailing-listx_refsource_BUGTRAQExploitThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://securityreason.com/securityalert/2036		third-party-advisoryx_refsource_SREASONExploitThird Party Advisory
http://www.securityfocus.com/archive/1/454268/100/0/threaded		mailing-listx_refsource_BUGTRAQExploitThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Dec 15, 2006

Updated Aug 7, 2024

Reserved Dec 15, 2006

Link CVE-2006-6578

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2006-6578

Red Hat

Severity n/a

Public date n/a

Links CVE-2006-6578