High severity7.0NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026
CVE-2026-83505
CVE-2026-83505
Description
Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- Microsoft Patch Tuesday for October 2026 — Snort rules and prominent vulnerabilitiesCisco Talos Intelligence · Oct 13, 2026