What is CVE-2023-28304?

CVE-2023-28304 is a high-severity vulnerability in Microsoft Odbc Driver 17 For SQL Server, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2023-04-11.

How severe is CVE-2023-28304?

High severity. CVSS v3 base score is 7.8 out of 10.

Improper input validation in Microsoft Odbc Driver 17 For SQL Server

CVE-2023-28304

Microsoft ODBC and OLE DB Remote Code Execution Vulnerability

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-04-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.7th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Microsoft Odbc Driver 17 For SQL Server — versions 17.0.0.0
Microsoft Odbc Driver 18 For SQL Server — versions 18.0.0.0
Microsoft Ole Db Driver 18 For SQL Server — versions 18.0.0
Microsoft Ole Db Driver 19 For SQL Server — versions 19.0.0
Microsoft Odbc
Microsoft Ole Db

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28304 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-28304?: CVE-2023-28304 is a high-severity vulnerability in Microsoft Odbc Driver 17 For SQL Server, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2023-04-11.
How severe is CVE-2023-28304?: High severity. CVSS v3 base score is 7.8 out of 10.