Improper input validation in Microsoft SQL Server

CVE-2019-1068

A remote code execution vulnerability exists in Microsoft SQL Server when it incorrectly handles processing of internal functions, aka 'Microsoft SQL Server Remote Code Execution Vulnerability'.

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

EPSS: 0.528 (98.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-1068?
CVE-2019-1068 is a high-severity vulnerability in Microsoft SQL Server, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2019-07-15.
How severe is CVE-2019-1068?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-1068 known to be exploited?
Yes. CVE-2019-1068 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-08-26), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.