CVE-2026-20803
Microsoft SQL Server Elevation of Privilege Vulnerability
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
| Vendor | microsoft |
| Product | microsoft sql server 2022 (gdr) |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jan 13, 2026 |
| Last Updated | Apr 1, 2026 |
Stay Ahead of the Next One
Get instant alerts for microsoft microsoft sql server 2022 (gdr)
Be the first to know when new high vulnerabilities affecting microsoft microsoft sql server 2022 (gdr) are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Microsoft SQL Server 2022 (GDR)
16.0.0 < 16.0.1165.1
Microsoft / Microsoft SQL Server 2022 for x64-based Systems (CU 22)
16.0.0.0 < 16.0.4230.2
Microsoft / Microsoft SQL Server 2025 for x64-based Systems (GDR)
17.0.1050.2 < 17.0.1050.2