CyberICT

CVE-2026-69970

Microsoft · Published October 13, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Kernel Streaming Service Driver Elevation of Privilege Vulnerability. Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.

Affected Products

  • Windows 11 Version 26H2 for ARM64-based Systems
  • Windows 11 Version 26H2 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C