CVE-2003-0903

CVE-2003-0903 is a critical-severity vulnerability in Microsoft Data Access Components with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 37% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Buffer overflow in a component of Microsoft Data Access Components (MDAC) 2.5 through 2.8 allows remote attackers to execute arbitrary code via a malformed UDP response to a broadcast request.

Frequently asked questions

What is CVE-2003-0903?
Buffer overflow in a component of Microsoft Data Access Components (MDAC) 2.5 through 2.8 allows remote attackers to execute arbitrary code via a malformed UDP response to a broadcast request.
How severe is CVE-2003-0903?
CVE-2003-0903 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2003-0903 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0903?
CVE-2003-0903 primarily affects Microsoft Data Access Components. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0903?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2003-0903 published?
CVE-2003-0903 was published on 2004-02-17 and last updated on 2026-06-16.

References

Affected products (4)

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