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SQL Server 2019 CU32 + GDR SQL Server 2019 CU32 + GDR Security update
Patch Tuesday

KB5068404

KB5068404: Security update for SQL Server 2019, CU branch, November 2025. SQL injection access restricted; Analysis Services filters fixed

In short

Addresses an SQL injection vulnerability in an internal backup procedure and fixes a rare configuration where Analysis Services security filters could be skipped.

Does it affect you? Applies to: SQL Server 2019 instances on Windows or Linux. The Analysis Services fix applies to Windows; the backup procedure hotfix applies to Windows and Linux.

Build
15.0.4455.2
Servicing branch
CU
Security
1 fixed
Restart
Required

For servers on the CU branch: they install cumulative updates, which also bring fixes beyond security. Servers on the GDR branch (security fixes only) get a separate update. Which branch am I on?

What changes

Fixes 2 changes

Analysis Services

For: Analysis Services deployments with multi-role security configurations

  • Row-level security filters are consistently applied in the affected multi-role configurations.1
    Resolves cases where Row-Level Security (RLS) filters could be skipped when combined with Object-Level Security (OLS) and Column-Level Security (CLS) in rare, contradictory multi-role setups.

Management Services

For: SQL Server installations on Linux or Windows

  • Unauthorized access to an internal backup procedure is restricted, reducing the risk of SQL injection.2
    The hotfix sanitizes input parameters in an internal backup stored procedure that was inadvertently exposed to all users. Applies to Linux and Windows.

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released
2025-11-11
Classification
Security Updates
Type
Cumulative update
Servicing branch
CU
Restart
Required
Replaces
KB5065222, KB5063757, KB5058722, KB5054833
+12 earlier KB5049296, KB5049235, KB5046860, KB5046365, KB5046060, KB5042749, KB5039747, KB5040948, KB5037331, KB5035123, KB5036335, KB5033688
Replaced by
KB5077469
VersionBuildChannel
2019 15.0.4455.2 General availability

Security

1 vulnerability fixed
1 important
VulnerabilitySeverityCVSS
CVE-2025-59499
Microsoft SQL Server Elevation of Privilege Vulnerability
 Important 8.8

Downloads (Microsoft Update Catalog)

Package 2019
888.1 MB
sqlserver2019-kb5068404-x64.exe Main update · KB5068404 SHA-1: 745b3298…2fa9e5

Updated components

162 files changed since the previous update for the same versions.

Top changed componentsFiles
SQL Server Engine121
SQL Server Analysis Services6
SQL Server PolyBase4

Sources

Updated
Cited passages from Microsoft's official notes (2)
  1. 1. Row-Level Security (RLS) filters could be skipped when combined with Object-Level Security (OLS) and Column-Level Security (CLS) in certain multi-role configurations. support.microsoft.com
  2. 2. This hotfix addresses a SQL injection vulnerability in an internal backup stored procedure that was inadvertently exposed to all users. support.microsoft.com
Checked automatically: 8 of 8 checks passed, 2 quoted passages · compared with Microsoft's page on Oct 20, 2026
  • Quotes found in the official pages: passed
  • Numbers found in the sources: passed
  • Vulnerabilities from the dossier only: passed
  • Links to allowed domains only: passed
  • Every official change covered: passed
  • Readable plain text: passed
  • Changes confirmed by the file list: passed
  • Sources agree: passed

A second AI read the text against the sources: correctness 5/5, clarity 5/5, completeness 5/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake