CVE-2026-67387: Microsoft SQL Server Elevation of Privilege Vulnerability

CVE-2026-67387 PUBLISHED CVSS 8.8 HIGH

Microsoft SQL Server Elevation of Privilege Vulnerability

Reported by microsoft · Published November 10, 2026

Untrusted pointer dereference in SQL Server allows an authorized attacker to elevate privileges over a network.

Risk scores

CVSS 3.1

8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Vendor	Product	Versions
Microsoft	Microsoft SQL Server 2017 (GDR)	14.0.0
Microsoft	Microsoft SQL Server 2017 for x64-based Systems (CU31)	14.0.3006.16
Microsoft	Microsoft SQL Server 2019 (GDR)	15.0.0
Microsoft	Microsoft SQL Server 2019 for x64-based Systems (CU32)	15.0.4003.23
Microsoft	Microsoft SQL Server 2022 (GDR)	16.0.0
Microsoft	Microsoft SQL Server 2022 for x64-based Systems (CU27)	16.0.4003.1
Microsoft	Microsoft SQL Server 2025 CU10	17.0.4006.0
Microsoft	Microsoft SQL Server 2025 for x64-based Systems (GDR)	17.0.1050.2
microsoft	microsoft_sql_server_2022_for_x64-based_systems_\(cu27\)	16.0.4003.1
Microsoft	Microsoft SQL Server 2022 (GDR)	16.0.0
microsoft	sql_server_2017	14.0.0
Microsoft	Microsoft SQL Server 2022 for x64-based Systems (CU27)	16.0.4003.1
microsoft	sql_server_2019	15.0.0
microsoft	sql_server_2025	17.0.1050.2
Microsoft	Microsoft SQL Server 2019 (GDR)	15.0.0
microsoft	microsoft_sql_server_2017_for_x64-based_systems_\(cu31\)	14.0.3006.16
microsoft	sql_server_2025_for_x64-based_systems_cu10	17.0.4006.0
Microsoft	Microsoft SQL Server 2025 CU10	17.0.4006.0
Microsoft	Microsoft SQL Server 2017 (GDR)	14.0.0
microsoft	sql_server_2022	16.0.0

…and 4 more

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-67387
vulnetix vdb fixes CVE-2026-67387

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-67387/fixes/registry"

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