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CVE-2026-20803

CVE

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
January 13, 2026
Last Seen
January 15, 2026
API
Exploited in Wild
—
Ransomware Use
—
Public Exploits
—
Attack Vector
—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

On January 13, 2026, Microsoft released security updates for a critical vulnerability in SQL Server, tracked as CVE-2026-20803. This flaw allows authorized attackers to bypass authentication controls and gain elevated privileges remotely due to missing authentication mechanisms in the database engin...

In January 2026, Adobe released 11 security patches addressing vulnerabilities in its software. Microsoft also issued updates during the same Patch Tuesday. Users of Adobe products and Microsoft software are advised to apply these updates promptly to mitigate potential risks.

Public Exploits

Checking GitHub for proof-of-concept code…