CVE-2026-20803: high-severity vulnerability in Microsoft SQL Server 2022 for x64-based…
Microsoft SQL Server Elevation of Privilege Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.2epss 1.2%
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
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
Affected products
Microsoft · Microsoft SQL Server 2022 for x64-based Systems (CU 22)Microsoft · Microsoft SQL Server 2022 (GDR)Microsoft · Microsoft SQL Server 2025 for x64-based Systems (GDR)Related CVEs — Microsoft SQL Server 2022 for x64-based…
In the same product, most dangerous first.
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