How severe is CVE-2002-0367?

CVE-2002-0367 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2002-0367?

Affected package information for CVE-2002-0367 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2002-0367?

No fixed version has been published for CVE-2002-0367 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2002-0367 actively exploited in the wild?

Yes. There are 3 known exploit references for CVE-2002-0367, including 1 documented proof-of-concept exploit on Exploit-DB and 2 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2002-0367?

CVE-2002-0367 has an EPSS (Exploit Prediction Scoring System) score of 1.2%, placing it in the 80th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

Is CVE-2002-0367 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2002-0367 (Microsoft Windows Privilege Escalation Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-03-03. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-03-24. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2002-0367?

CVE-2002-0367 is classified as Improper Privilege Management (CWE-269). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2002-0367?

CVE-2002-0367 affects microsoft windows 2000; microsoft windows nt (1 version, e.g. 4.0). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2002-0367 published, and has it been updated?

CVE-2002-0367 was published on June 25, 2002 and was last updated on April 16, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-03-03 — agencies required to remediate by 2022-03-24

CVE-2002-0367

HIGH

smss.exe debugging subsystem in Windows NT and Windows 2000 does not properly authenticate programs that connect to other programs, which allows local users to gain administrator or…

Published

Jun 25, 2002

Updated

Apr 16, 2026

Affected

0 pkgs

Patched

None yet

Exploits

3 known

EPSS Exploitation Probability

via FIRST.org ↗

1.2%probability of exploitation in next 30 days

Lower Risk80th percentile-0.21%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

smss.exe debugging subsystem in Windows NT and Windows 2000 does not properly authenticate programs that connect to other programs, which allows local users to gain administrator or SYSTEM privileges by duplicating a handle to a privileged process, as demonstrated by DebPloit.

Affected Products

2 products · 3 configurations

windows 2000microsoft

all

windows ntmicrosoft

1 version

4.0

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-21344localwindows✓ Verified

Microsoft Windows NT 4.0/2000 - Process Handle Local Privilege Escalation

by EliCZ · Mar 13, 2002

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2002-0367 in your stack?

O3 detects CVE-2002-0367 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works

CVSS Score

7.8/10

CVSS v3 base score

Vector breakdown

AV:Attack Vector

Local

AC:Attack Complexity

Low

PR:Privileges Required

Low

UI:User Interaction

None

S:Scope

Unchanged

C:Confidentiality

High

I:Integrity

High

A:Availability

High

Raw vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE Classification

CWE-269Improper Privilege Management

Weaponization

No known public exploit tooling found.

Timeline

First exploit

Mar 13, 2002

Disclosed

Jun 25, 2002

KEV added

Mar 3, 2022

Last updated

Apr 16, 2026

Identifiers

CVE-2002-0367

References

Advisorysecurityfocus.com Advisorysecurityfocus.com Advisorysecurityfocus.com Advisorysecurityfocus.com Advisorysecurityfocus.com Advisorysecurityfocus.com Fixiss.net Fixdocs.microsoft.com Fixiss.net Fixdocs.microsoft.com Exploit / PoCsecurityfocus.com Exploit / PoCsecurityfocus.com Webmarc.info Weboval.cisecurity.org Weboval.cisecurity.org Webmarc.info Weboval.cisecurity.org Weboval.cisecurity.org Webcisa.gov

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