CVE-2026-83837

7.8High

Published 13 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash

7.8High

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Impact: Full C/I/A compromise
Weakness: CWE-441

Impact

A local attacker with standard user privileges can elevate to SYSTEM permissions on the host. They must already have local authenticated access to execute code.

Root cause

Improper access control in Windows Kernel-Mode Drivers exposes a confused-deputy condition that lets low-privilege callers invoke privileged operations.

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fix & remediation

Install the security update from the MSRC advisory; no workaround or interim mitigation is provided.

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

Improper access control in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83837

Source: nvd.nist.gov/vuln/detail/CVE-2026-83837