CVE-2000-0663 — The registry entry for the Windows Shell executable (Explorer.exe) in Windows NT and Windows 2000 uses a relative path name, which allows local users to execute arbitrary commands by inserting a Trojan Horse named Explorer.exe into the %Systemdrive% directory, aka the "Relative Shell Path" vulnerability

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MEDIUM

The registry entry for the Windows Shell executable (Explorer.exe) in Windows NT and Windows 2000 uses a relative path name, which allows local users to execute arbitrary commands by inserting a Trojan Horse named Explorer.exe into the %Systemdrive% directory, aka the "Relative Shell Path" vulnerability

Published Oct 13, 2000

4.6

MEDIUM

CVSS 2.0

EPSS 1.95%

Description

The registry entry for the Windows Shell executable (Explorer.exe) in Windows NT and Windows 2000 uses a relative path name, which allows local users to execute arbitrary commands by inserting a Trojan Horse named Explorer.exe into the %Systemdrive% directory, aka the "Relative Shell Path" vulnerability.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.95% 0.01946

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

EPSS probability 0.01946

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 (9 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.95% (0.01946)	79.45th	v5 (v2026.06.15)
Jun 15, 2026	1.96% (0.01962)	77.66th	v5 (v2026.06.15)
Mar 17, 2025	0.45% (0.00448)	61.48th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00044)	14.68th	v3 (v2023.03.01)
Jun 7, 2024	0.04% (0.00044)	12.57th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00044)	10.57th	v3 (v2023.03.01)
Mar 6, 2023	2.22% (0.02221)	81.26th	v2 (v2022.01.01)
Apr 1, 2022	2.22% (0.02221)	79.45th	v2 (v2022.01.01)
Feb 4, 2022	2.22% (0.02221)	58.09th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://www.microsoft.com/technet/support/kb.asp?ID=269049
vendor-advisoryx_refsource_MSKB
http://www.securityfocus.com/bid/1507
vdb-entryx_refsource_BIDPatchVendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-052
vendor-advisoryx_refsource_MS
https://exchange.xforce.ibmcloud.com/vulnerabilities/5040
vdb-entryx_refsource_XF

Link	Providers	Tags
http://www.microsoft.com/technet/support/kb.asp?ID=269049		vendor-advisoryx_refsource_MSKB
http://www.securityfocus.com/bid/1507		vdb-entryx_refsource_BIDPatchVendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-052		vendor-advisoryx_refsource_MS
https://exchange.xforce.ibmcloud.com/vulnerabilities/5040		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Oct 13, 2000

Updated Aug 8, 2024

Reserved Aug 2, 2000

Link CVE-2000-0663

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2000-0663

Red Hat

Severity n/a

Public date n/a

Links CVE-2000-0663