CVE-2004-2091

NONECVSS 0.0

0.0

Microsoft Baseline Security Analyzer (MBSA) 1.2 does not correctly identify systems that have been patched but remain vulnerable to exploit until the system is rebooted, possibly giving the administrator a false sense of security.

CVSS v3: —
EG Score: —
EPSS: 94.5%
KEV: Not listed

Published

February 10, 2004

Last Modified

April 16, 2026

References (4)

cve@mitrehttp://www.securityfocus.com/archive/1/353324
cve@mitrehttp://www.securityfocus.com/bid/9634
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/353324
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/9634

Data Freshness Timeline

(refreshed 12× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
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2026-05-28 13:42 UTCepss_batch
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Frequently asked(4)

What is CVE-2004-2091?

CVE-2004-2091 is a none vulnerability published on February 10, 2004. Microsoft Baseline Security Analyzer (MBSA) 1.2 does not correctly identify systems that have been patched but remain vulnerable to exploit until the system is rebooted, possibly giving the administrator a false sense of security.

When was CVE-2004-2091 disclosed?

CVE-2004-2091 was first published in the National Vulnerability Database on February 10, 2004, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2004-2091 actively exploited?

CVE-2004-2091 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2004-2091?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-2091, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2004-2091

📅 Published

🔄 Last Modified

🔗 References (4)