CVE-2026-83939

8.2 highEPSS 0.3%

High (8.2) in microsoft windows 11 26h1. EPSS 0.3% chance of exploitation in the next 30 days.

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

Severity

8.2 high

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
CWE: CWE-822
Published: 2026-09-08
Modified: 2026-09-10
Record from: the NVD, synced 2026-10-19