CVE-2026-20803
HIGH
2026-01-13
[email protected]
7.2
CVSS 3.1
Share
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 18:16 nvd
HIGH 7.2
Description
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
Analysis
Privilege escalation in SQL Server 2022 and 2025 stems from insufficient authentication controls on critical functions, enabling authenticated network attackers to gain elevated privileges. The vulnerability affects administrators and authenticated users with network access to affected SQL Server instances. …
Sign in for full analysis, threat intelligence, and remediation guidance.
Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Audit authentication configurations and rotate any potentially compromised credentials.
Sign in for detailed remediation steps.
Priority Score
36
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +36
POC: 0
Share
External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).