4.7
Medium
CVE-2026-83504 Time-of-check time-of-use (toctou) race condition in Windows SmartScreen allows an authorized attacker to disclose…
Description
Time-of-check time-of-use (toctou) race condition in Windows SmartScreen allows an authorized attacker to disclose information locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 11 Version 23H2 10.0 | 10.0.22631.0 → < 10.0.22631.7582 | 10.0.22631.7582 |
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.9445 | 10.0.26100.9445 |
| Windows 11 Version 25H2 10.0 | 10.0.26200.0 → < 10.0.26200.9445 | 10.0.26200.9445 |
| Windows 11 version 26H1 10.0 | 10.0.28000.0 → < 10.0.28000.2954 | 10.0.28000.2954 |
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