CVE-2026-67630: Microsoft SQL Server Information Disclosure Vulnerability
Microsoft SQL Server Information Disclosure Vulnerability
Other sources
Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 17.0.1135.8Patch KB5122770 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 17.0.4085.5Patch KB5122769 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 14.0.3550.4Patch KB5122774 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.1200.5Patch KB5122771 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 15.0.4490.9Patch KB5122772 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 14.0.2130.4Patch KB5122775 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 15.0.2190.7Patch KB5122773 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.4275.2Patch KB5122768
Event History
Frequently Asked Questions
Which SQL Server deployments should be included in the initial exposure review?
Review Microsoft SQL Server 2017, 2019, 2022, and 2025 deployments. The affected software list specifically includes SQL Server 2017 CU 31, SQL Server 2019 CU 32, SQL Server 2022 CU 26, and SQL Server 2025 CU8.
What level of access does an attacker need?
Exploitation requires low-level privileges: the attacker must already be authorized to access SQL Server. The issue can be exploited over the network and does not require user interaction.
What is the expected security impact?
The vulnerability can disclose information through an out-of-bounds read. Confidentiality impact is rated high, while integrity and availability impact are rated none.