Improper Authorization in Microsoft Windows and Windows Server - CVE-2026-70148
Published: October 14, 2026
Vulnerability identifier: #VU154595
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-70148
CWE-ID: CWE-285
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to improper authorization in Windows Broadcast DVR User Service when accessing capture metadata. A local user can access Broadcast DVR capture metadata belonging to another process to disclose sensitive information.
The accessible metadata belongs to another process in the same user session.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-70148
Install security update from vendor's website.
Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7807, 10 1809 10.0.17763.9376, 11 23H2 10.0.22631.7652, 11 24H2 10.0.26100.9711, 11 25H2 10.0.26200.9711, 11 26H1 10.0.28000.3231
Windows Server - update to 2019 10.0.17763.9376
Windows Server - update to 2019 10.0.17763.9376