Product:
SQL Server
Summary
Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network. This vulnerability can lead to significant security risks, including unauthorized access to sensitive data and system resources. Attackers can exploit this flaw to gain higher privileges than intended.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 8.8 | CVE-2026-21262 |
Exploitation
To exploit this vulnerability, an attacker with authorized access can leverage the improper access control mechanisms in SQL Server. By sending specially crafted requests over the network, the attacker can manipulate the system to elevate their privileges, potentially gaining control over sensitive data and system functionalities.
Affected Products
- SQL Server: Vulnerable to privilege escalation due to improper access control.
Mitigation
To mitigate this vulnerability, it is essential to apply the latest security updates provided by Microsoft. Additionally, organizations should review their access control policies and ensure that only authorized users have the necessary permissions to access SQL Server. Regular security audits can help identify and remediate potential vulnerabilities.