Weak Authentication in Microsoft Windows - CVE-2026-70182
Published: November 11, 2026
Vulnerability identifier: #VU165527
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-70182
CWE-ID: CWE-1390
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges to SYSTEM.
The vulnerability exists due to weak authentication in Windows Bind Filter Driver when validating local access. A local user can exploit insufficient authentication checks to gain SYSTEM privileges.
Affected software
Microsoft Windows
How to mitigate CVE-2026-70182
Install security update from vendor's website.
Microsoft Windows - addressed in versions 11 24H2 10.0.26100.9911, 11 24H2 10.0.26100.9974, 11 25H2 10.0.26200.9911, 11 25H2 10.0.26200.9974, 11 26H1 10.0.28000.3501