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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2004-0210

Microsoft Windows Privilege Escalation Vulnerability

KEVEXPLOIT ✓HIGH 7.8EPSS 7.21%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

The POSIX component of Microsoft Windows NT and Windows 2000 allows local users to execute arbitrary code via certain parameters, possibly by modifying message length values and causing a buffer overflow.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
7.21% probability · 94th percentile
Public exploits
1 in Exploit-DB · verified · first 16 July 2004
CISA KEV
Listed 3 March 2022 · due 24 March 2022
Weakness
CWE-120
Affected
microsoft/interix · microsoft/windows 2000 · microsoft/windows nt
Source
cve@mitre.org
EPSS trend
0%5%10%30 October 2026: 7.21%30 October 202630 October 2026

EPSS 7.2% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2004-0210

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-24277source ↗Microsoft Windows NT 4.0/2000 - POSIX Subsystem Local Buffer Overflow / Local Privilege Escalation (MS04-020)windows · bkblllocal16 July 2004yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.