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CVE-2003-0903

44
FAUCET Score

CVE-2003-0903 describes a critical buffer overflow vulnerability within Microsoft Data Access Components (MDAC) versions 2.5 through 2.8. This flaw allows remote attackers to execute arbitrary code on affected systems by sending a specially crafted UDP response to a broadcast request. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication or user interaction for a complete compromise of confidentiality, integrity, and availability. Despite its age and high severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.5CPE matchmatch criteria
cpe:2.3:a:microsoft:data_access_components:2.5:*:*:*:*:*:*:*
2.6CPE matchmatch criteria
cpe:2.3:a:microsoft:data_access_components:2.6:*:*:*:*:*:*:*
2.7CPE matchmatch criteria
cpe:2.3:a:microsoft:data_access_components:2.7:*:*:*:*:*:*:*
2.8CPE matchmatch criteria
cpe:2.3:a:microsoft:data_access_components:2.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
37.49%
Probability of exploitation in next 30 days
EPSS Percentile
98.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.3749 is in the 97th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2004/ms04-003
exchange.xforce.ibmcloud.com / vulnerabilities/14187
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A525
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A553
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A751
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A775
kb.cert.org / vuls/id/139150
US Government Resource
osvdb.org / 3457
securityfocus.com / bid/9407
Vendor Advisory