CVE-2026-73028 - SQL Server Elevation of Privilege Vulnerability

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HIGH

SQL Server Elevation of Privilege Vulnerability

Published Sep 8, 2026

8.8

HIGH

CVSS 3.1

EPSS 0.78%

Description

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Affected products

Vendor Microsoft Product Microsoft SQL Server 2017 (CU 31) Default
n/a
- Version
  14.0.0
  Status
  affected
  Constraints
  <14.0.3550.4
Vendor Microsoft Product Microsoft SQL Server 2017 (GDR) Default
n/a
- Version
  14.0.0
  Status
  affected
  Constraints
  <14.0.2130.4
Vendor Microsoft Product Microsoft SQL Server 2019 (CU 32) Default
n/a
- Version
  15.0.0.0
  Status
  affected
  Constraints
  <15.0.4490.9
Vendor Microsoft Product Microsoft SQL Server 2019 (GDR) Default
n/a
- Version
  15.0.0
  Status
  affected
  Constraints
  <15.0.2190.7
Vendor Microsoft Product Microsoft SQL Server 2022 (CU 26) Default
n/a
- Version
  16.0.0.0
  Status
  affected
  Constraints
  <16.0.4275.2
Vendor Microsoft Product Microsoft SQL Server 2022 (GDR) Default
n/a
- Version
  16.0.0
  Status
  affected
  Constraints
  <16.0.1200.5
Vendor Microsoft Product Microsoft SQL Server 2025 (CU8) Default
n/a
- Version
  17.0.0.0
  Status
  affected
  Constraints
  <17.0.4085.5
Vendor Microsoft Product Microsoft SQL Server 2025 for x64-based Systems (GDR) Default
n/a
- Version
  17.0.1050.2
  Status
  affected
  Constraints
  <17.0.1135.8

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Microsoft

Microsoft SQL Server 2017 (CU 31)

n/a

Version	Status	Constraints
14.0.0	affected	<14.0.3550.4

Microsoft

Microsoft SQL Server 2017 (GDR)

n/a

Version	Status	Constraints
14.0.0	affected	<14.0.2130.4

Microsoft

Microsoft SQL Server 2019 (CU 32)

n/a

Version	Status	Constraints
15.0.0.0	affected	<15.0.4490.9

Microsoft

Microsoft SQL Server 2019 (GDR)

n/a

Version	Status	Constraints
15.0.0	affected	<15.0.2190.7

Microsoft

Microsoft SQL Server 2022 (CU 26)

n/a

Version	Status	Constraints
16.0.0.0	affected	<16.0.4275.2

Microsoft

Microsoft SQL Server 2022 (GDR)

n/a

Version	Status	Constraints
16.0.0	affected	<16.0.1200.5

Microsoft

Microsoft SQL Server 2025 (CU8)

n/a

Version	Status	Constraints
17.0.0.0	affected	<17.0.4085.5

Microsoft

Microsoft SQL Server 2025 for x64-based Systems (GDR)

n/a

Version	Status	Constraints
17.0.1050.2	affected	<17.0.1135.8

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-284

References (2)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-73782
Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73028
vendor-advisorypatchVendor Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-73782		Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73028		vendor-advisorypatchVendor Advisory