CVE-2026-83939 PUBLISHED

Windows Secure Kernel Mode Elevation of Privilege Vulnerability

Assigner: microsoft
Reserved: 31.08.2026 Published: 08.09.2026 Updated: 09.09.2026

Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 8.2

Product Status

Vendor Microsoft
Product Windows 11 version 26H1
Versions
  • affected from 10.0.28000.0 to 10.0.28000.2954 (excl.)

References

Problem Types