
Any authenticated user can escalate to SYSTEM on every supported Windows version — desktop and server. CVE-2026-69364: A race condition in the Print Spooler triggers a use-after-free, giving attackers full control of the machine. Patched today in the September 2026 Patch Tuesday update. Every version from Server 2012 to Windows 11 26H1 is affected. Discovered by Aretiq AI. Credited by Microsoft. https://aretiq.ai/discoveries/cve-2026-69364-windows-print-spooler-components-eop/
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Microsoft released a Patch Tuesday update that fixes a race‑condition use‑after‑free in the Print Spooler (CVE‑2026‑69364) which could allow an authenticated user to elevate privileges to SYSTEM on all supported Windows versions.
