VulnerabilityAnalyzed
CVE-2026-20803
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
HIGH 7.2EPSS 1.27%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.27% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Affected
- microsoft/sql server 2022 · microsoft/sql server 2025
- Source
- secure@microsoft.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.