CVE-2026-83763

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-843

Impact

A local attacker with standard user access can elevate privileges to SYSTEM. They need existing execution privileges on the target Windows machine to trigger it.

Root cause

A type confusion bug in the Windows Input System accesses resources using an incompatible type.

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

Apply the relevant Microsoft security update from the vendor advisory for your Windows version; no standalone workaround or interim mitigation is documented.

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

Ad · In-content banner

NVD description

Access of resource using incompatible type ('type confusion') in Windows Input System allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83763

Source: nvd.nist.gov/vuln/detail/CVE-2026-83763