CVE-2026-47296 sql server 2016 vulnerability
Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges locally.
Quick answer
microsoft sql server 2016 should be reviewed and updated if it matches the affected versions. The recommended fix is to apply the vendor-supported patched version or the mitigation steps below, then retest the public website with Fixnx.
Who is affected
Affected versions
- Review vendor advisory for affected versions.
Fixed versions
- Apply the latest vendor-supported patched version.
How to fix it
CVE-2026-47296 affects SQL Server 2016. The issue is tied to SQL input handling and can let an attacker gain more access. Patch SQL Server and review database permissions.
- Install the SQL Server security update or cumulative update that fixes CVE-2026-47296.
- Patch SQL Server clients, drivers, and management tools if Microsoft marks them affected.
- Limit database accounts to the least privileges needed and remove unused high-privilege logins.
- Review SQL logs for unusual queries, failed logins, and privilege changes.
- Back up important databases before patching and restart the SQL service if required by the update.
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Verify the fix
- Confirm SQL Server build number matches the fixed Microsoft release.
- Run a vulnerability scan against the SQL host and confirm the CVE is gone.
- Check database audit logs for suspicious activity during the exposure window.
Related categories
Trusted references
FAQ
What is affected by CVE-2026-47296?
microsoft sql server 2016 should be checked against the vendor advisory and trusted references linked on this page.
What should I fix first?
Start with internet-facing sites, admin panels, login flows, plugins, themes, modules, packages, and systems that process user-controlled input or sensitive data.
How do I confirm the fix worked?
Apply the patched version or mitigation, clear caches where relevant, retest the affected workflow, and run a new Fixnx scan to verify public website exposure signals.
How are Fixnx security risk categories chosen?
Fixnx keeps one canonical risk page and assigns only broad, relevant categories such as ecosystem, technology area, or vulnerability class.