on January 13, 2026 at 8:00 am — CVE-2026-20803 Microsoft SQL Server Elevation of Privilege Vulnerability
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
Protecting Privacy Build Trust
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.
Use of uninitialized resource in Dynamic Root of Trust for Measurement (DRTM) allows an authorized attacker to disclose information locally.
Windows Secure Boot stores Microsoft certificates in the UEFI KEK and DB. These original certificates are approaching expiration, and devices containing affected certificate versions must update them to maintain Secure Boot functionality and avoid compromising security by losing security fixes related to Windows boot manager or Secure Boot. The operating system’s certificate update protection mechanism
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2024 ) for more information.