# CVE-2026-84010: Microsoft SQL Server Elevation of Privilege Vulnerability

Status: published. Published: 2026-11-10. Updated: 2026-11-10.

Exposed dangerous method or function in SQL Server allows an authorized attacker to elevate privileges over a network.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: microsoft) — https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84010

## Affected products and versions

- Microsoft / Microsoft SQL Server 2017 (GDR): ≥ 14.0.0; < 14.0.2150.2 (affected, custom). Source: CNA: microsoft; platforms: x64-based Systems
- Microsoft / Microsoft SQL Server 2017 for x64-based Systems (CU31): ≥ 14.0.3006.16; < 14.0.3570.2 (affected, custom). Source: CNA: microsoft; platforms: x64-based Systems
- Microsoft / Microsoft SQL Server 2019 (GDR): ≥ 15.0.0; < 15.0.2210.4 (affected, custom). Source: CNA: microsoft; platforms: x64-based Systems
- Microsoft / Microsoft SQL Server 2019 for x64-based Systems (CU32): ≥ 15.0.4003.23; < 15.0.4510.2 (affected, custom). Source: CNA: microsoft; platforms: x64-based Systems
- Microsoft / Microsoft SQL Server 2022 (GDR): ≥ 16.0.0; < 16.0.1220.3 (affected, custom). Source: CNA: microsoft; platforms: x64-based Systems
- Microsoft / Microsoft SQL Server 2022 for x64-based Systems (CU27): ≥ 16.0.4003.1; < 16.0.4315.2 (affected, custom). Source: CNA: microsoft; platforms: x64-based Systems
- Microsoft / Microsoft SQL Server 2025 CU10: ≥ 17.0.4006.0; < 17.0.5045.3 (affected, custom). Source: CNA: microsoft; platforms: x64-based Systems
- Microsoft / Microsoft SQL Server 2025 for x64-based Systems (GDR): ≥ 17.0.1050.2; < 17.0.1155.3 (affected, custom). Source: CNA: microsoft; platforms: x64-based Systems

## Severity and prioritization

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C; source: CNA: microsoft

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-749

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84010 (CNA: microsoft; vendor-advisory, patch)

## Provenance

- CNA: microsoft: https://www.cve.org/CVERecord?id=CVE-2026-84010; retrieved 2026-11-10; source updated 2026-11-10

Revision: 346c08ed238f3fcd7273b24641ad1f4437fdd124c972a14bf0cee043924e8bb5

Canonical: https://y2.dev/cve/CVE-2026-84010

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