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Vulnerability record · CVE-2004-2091 · published 10 February 2004

CVE-2004-2091: Microsoft baseline security analyzer vulnerability

Microsoft · Baseline Security Analyzer

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.

5.0 CVSS 2.0 Medium EPSS 3.2% · top 12.3%
5.0CVSS 2.0 base score
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/archive/1/353324 Vendor Advisory
http://www.securityfocus.com/bid/9634 Vendor Advisory
http://www.securityfocus.com/archive/1/353324 Vendor Advisory
http://www.securityfocus.com/bid/9634 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

5.0CVE-2002-1762Microsoft baseline security analyzer vulnerabilityMicrosoft Baseline Security Analyzer (MBSA) 1.0 stores security scans in a known location C:\Documents and Settings\username\SecurityScans in plainte…EPSS 16%

Source: NIST National Vulnerability Database (record CVE-2004-2091), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.