CVE-2026-83510
HighCVSS 7.0Summary
Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker could exploit the race between check and use of files, leading to privilege escalation.
Recommendation
Apply security updates and restrict access to setup file cleanup tools.
Other vulnerabilities in Windows Setup Files Cleanup
See all- CVE-2026-83509High
Untrusted search path in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
- CVE-2026-83505High
Time-of-check time-of-use (TOCTOU) race condition in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
- CVE-2026-73027High
External control of system or configuration setting in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
- CVE-2026-69289High
Improper link resolution before file access ('link following') in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS