CVE-2026-83922

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-416

Impact

Local attackers with low privileges can gain elevated SYSTEM permissions on the host. Exploitation requires existing local credentials or code execution, with no user interaction required.

Root cause

A use-after-free flaw in Windows Direct Composition leaves dangling pointers accessible for local privilege escalation.

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 latest Microsoft security update addressing this CVE from the MSRC advisory; no workaround or mitigation is currently documented.

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

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NVD description

Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83922

Source: nvd.nist.gov/vuln/detail/CVE-2026-83922