CVE-2026-20803 Microsoft SQL Server Elevation of Privilege Vulnerability

08:00 - 13 Jan 2026

msrc.microsoft.com

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

Article info:

Full Article URL: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20803
Textarea URL (this page):
https://textarea.nl/i/eNrLKCkpKLbS188tLkrWy81MLsovzk8r0UvOz9UvLUhJLEnVTS_NTEnVLyvNyUstSkzKzMksqdR3DnPVNTIwMgMSFgbGAHFKF8Y=_2026-01-13
Source: https://api.msrc.microsoft.com/update-guide/rss
Microsoft Security: https://msrc.microsoft.com/update-guide/vulnerability
Publication date: 2026-01-13 08:00:00
Last retrieval: 2026-01-15 06:45:21.194115