CVE-2025-53727
Published: 12 August 2025
Summary
CVE-2025-53727 is a high-severity SQL Injection (CWE-89) vulnerability in Microsoft Sql Server 2016. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked in the top 15.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).
Deeper analysis
CVE-2025-53727 is a SQL injection vulnerability arising from improper neutralization of special elements in SQL commands within SQL Server. It is classified under CWE-89 and assigned a CVSS 3.1 score of 8.8 reflecting network attack vector, low complexity, low required privileges, and high impact on confidentiality, integrity, and availability.
An authorized attacker can exploit the flaw remotely over a network to elevate privileges on the affected SQL Server instance, achieving broad control over database operations and data.
Microsoft has published an advisory addressing the issue at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53727. The associated EPSS score has remained flat at 0.0215 with no material increase after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-24376
Vulnerability details
Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
SQL injection directly enables exploitation for privilege escalation from low-privileged authenticated access to high-level database control.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly prevents SQL injection exploitation by requiring validation of all information inputs to SQL commands in SQL Server.
Ensures timely remediation of the specific SQL injection flaw in SQL Server through patching as recommended by Microsoft.
Mitigates the impact of privilege escalation by enforcing least privilege, limiting damage even if low-privilege accounts are exploited.