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CISA KEV · ACTIVELY EXPLOITED
HIGH severity

CVE-2019-1068 — Sql Server

HIGH

CVE-2019-1068 is a high-severity (CVSS 8.8) Improper Input Validation vulnerability in microsoft sql server. It is in CISA's Known Exploited Vulnerabilities catalog (added 2026-08-26) — treat it as actively exploited and patch now. A fix is available — see the affected versions and patch details below.

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'.

Published
Updated
Affected
3 products
Patched
See advisory
Exploits
None indexed
Exploitation data as of Oct 10, 2026 · OSV.dev, NVD, CISA KEV, FIRST.org (EPSS)

Exploitation Status

Actively exploited in the wild

  • Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2026-08-26. Federal agencies were required to remediate by 2026-08-29.
  • A successful exploit gives an attacker total control of the affected component, not partial access.

Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2019-1068.

EPSS Exploitation Probability

via FIRST.org ↗
57.3%probability of exploitation in next 30 days
High Risk+0.27%
Lower risk than most CVEs99th percentile — riskier than 99% of all scored CVEsHighest risk
25.7%38.7%51.6%64.6%41.6%57.3%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2019-1068 by exploitation likelihood (EPSS) against impact (CVSS). In the shaded patch-first corner (EPSS 50%+, CVSS 7.0+).

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the 50–90% band (highlighted). Counts from FIRST.org, log-scaled.

Description

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'.

Affected Products

3 products · 8 configurations
Application
sql servermicrosoft
1 version
2014
Application
sql server 2016microsoft
≥ 13.0.5149.0 && < 13.0.5366.0
range
Application
sql server 2017microsoft
≥ 14.0.3006.16 && < 14.0.3192.2
range

Detection & mitigation playbook

Vendor / appliance

  1. Detect

    Inventory every microsoft sql server deployment and check each version against the affected-products list above.

  2. Fix

    Apply the microsoft sql server security patch or hotfix for CVE-2019-1068 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

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'.
O3 Security · Runtime Protection

Is CVE-2019-1068 being exploited in your environment?

Detect and block the exploit chain at execution, on systems you cannot patch yet.

Protect my workloads How runtime protection works
Actively Exploited: CVE-2019-1068: Sql Server (High 8.8)