HomeMicrosoftCVE-2026-20803

CVE-2026-20803

HIGH
7.2CVSS
Published: 2026-01-13
Updated: 2026-01-14
AI Analysis

Description

Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.

CVSS Metrics

Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
network
Complexity
low
Privileges
high
User Action
none
Scope
unchanged
Confidentiality
high
Integrity
high
Availability
high
Weaknesses
CWE-306

Metadata

Primary Vendor
MICROSOFT
Published
1/13/2026
Last Modified
1/14/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

Microsoft : Undergoing Analysis

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CVE-CVE-2026-20803 | HIGH Severity | CVEDatabase.com | CVEDatabase.com