Vulnerabilities

Vulnerability · CVE-2002-0367

Microsoft Windows Privilege Escalation Vulnerability

Published Mar 13, 2002 · catalog updated Jun 16, 2026 · Microsoft Windows

Patch now

CVE-2002-0367 is in the CISA known-exploited catalog, due Mar 24, 2022. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High7.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
4.92%
Remediation
Remediation guidance
Affected products
cpe microsoft/windows 2000 · cpe microsoft/windows nt · vendor Microsoft Windows · vendor n/a n/a

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 2000version unspecified
  • cpe microsoft/windows nt4.0
  • vendor Microsoft Windowsversion unspecified
  • vendor n/a n/aversion unspecified

How to fix CVE-2002-0367

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2002-0367 is in the CISA known-exploited catalog, due Mar 24, 2022. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with microsoft/windows nt 4.0. Apply updates per vendor instructions.

What should an analyst verify?

CWE-269: Improper Privilege Management. EPSS 4.92%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 24, 2002 · Catalog

    Detected

    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.

  2. Mar 3, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Mar 24, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2002-0367

    smss.exe debugging subsystem in Microsoft Windows does not properly authenticate programs that connect to other programs, which allows local users to gain administrator or SYSTEM privileges.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2002-0367

    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.

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2002-0367

    30-day exploitation probability 4.9%

    first.org
  • Exploit DatabasePublic exploit reference21344

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDVulnerability recordCVE-2002-0367

    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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2002-0367

    smss.exe debugging subsystem in Microsoft Windows does not properly authenticate programs that connect to other programs, which allows local users to gain administrator or SYSTEM privileges.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.