CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-83504

Time-of-check time-of-use (toctou) race condition in Windows SmartScreen allows an authorized attacker to disclose information locally.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.003

EPSS Ranking 20.1%

CVSS Severity

CVSS v3 Score 4.7

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83504

Products affected by CVE-2026-83504

Microsoft » Windows 11 23h2 » Version: N/A

cpe:2.3:o:microsoft:windows_11_23h2:-
Microsoft » Windows 11 23h2 » Version: 10.0.22621.2715

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22621.2715
Microsoft » Windows 11 23h2 » Version: 10.0.22621.4169

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22621.4169
Microsoft » Windows 11 23h2 » Version: 10.0.22621.4751

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22621.4751
Microsoft » Windows 11 23h2 » Version: 10.0.22621.5335

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22621.5335
Microsoft » Windows 11 23h2 » Version: 10.0.22631.2428

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.2428
Microsoft » Windows 11 23h2 » Version: 10.0.22631.2506

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.2506
Microsoft » Windows 11 23h2 » Version: 10.0.22631.2715

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.2715
Microsoft » Windows 11 23h2 » Version: 10.0.22631.2792

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.2792
Microsoft » Windows 11 23h2 » Version: 10.0.22631.2861

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.2861
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3007

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3007
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3085

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3085
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3155

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3155
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3235

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3235
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3296

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3296
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3374

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3374
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3447

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3447
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3527

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3527
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3593

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3593
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3672

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3672
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3737

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3737
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3810

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3810
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3880

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3880
Microsoft » Windows 11 23h2 » Version: 10.0.22631.3958

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.3958
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4037

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4037
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4112

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4112
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4169

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4169
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4249

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4249
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4317

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4317
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4391

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4391
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4460

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4460
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4541

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4541
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4602

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4602
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4751

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4751
Microsoft » Windows 11 23h2 » Version: 10.0.22631.4890

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.4890
Microsoft » Windows 11 23h2 » Version: 10.0.22631.5039

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.5039
Microsoft » Windows 11 23h2 » Version: 10.0.22631.5189

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.5189
Microsoft » Windows 11 23h2 » Version: 10.0.22631.5335

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.5335
Microsoft » Windows 11 23h2 » Version: 10.0.22631.5472

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.5472
Microsoft » Windows 11 23h2 » Version: 10.0.22631.5624

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.5624
Microsoft » Windows 11 23h2 » Version: 10.0.22631.5768

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.5768
Microsoft » Windows 11 23h2 » Version: 10.0.22631.5900

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.5900
Microsoft » Windows 11 23h2 » Version: 10.0.22631.5909

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.5909
Microsoft » Windows 11 23h2 » Version: 10.0.22631.6060

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.6060
Microsoft » Windows 11 23h2 » Version: 10.0.22631.6199

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.6199
Microsoft » Windows 11 23h2 » Version: 10.0.22631.6345

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.6345
Microsoft » Windows 11 23h2 » Version: 10.0.22631.6491

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.6491
Microsoft » Windows 11 23h2 » Version: 10.0.22631.6649

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.6649
Microsoft » Windows 11 23h2 » Version: 10.0.22631.6783

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.6783
Microsoft » Windows 11 23h2 » Version: 10.0.22631.6936

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.6936
Microsoft » Windows 11 23h2 » Version: 10.0.22631.7079

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.7079
Microsoft » Windows 11 23h2 » Version: 10.0.22631.7219

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.7219
Microsoft » Windows 11 23h2 » Version: 10.0.22631.7376

cpe:2.3:o:microsoft:windows_11_23h2:10.0.22631.7376
Microsoft » Windows 11 24h2 » Version: N/A

cpe:2.3:o:microsoft:windows_11_24h2:-
Microsoft » Windows 11 24h2 » Version: 10.0.26100.1742

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.1742
Microsoft » Windows 11 24h2 » Version: 10.0.26100.2033

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.2033
Microsoft » Windows 11 24h2 » Version: 10.0.26100.2161

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.2161
Microsoft » Windows 11 24h2 » Version: 10.0.26100.2314

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.2314
Microsoft » Windows 11 24h2 » Version: 10.0.26100.2454

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.2454
Microsoft » Windows 11 24h2 » Version: 10.0.26100.2605

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.2605
Microsoft » Windows 11 24h2 » Version: 10.0.26100.2894

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.2894
Microsoft » Windows 11 24h2 » Version: 10.0.26100.3107

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.3107
Microsoft » Windows 11 24h2 » Version: 10.0.26100.3194

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.3194
Microsoft » Windows 11 24h2 » Version: 10.0.26100.3403

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.3403
Microsoft » Windows 11 24h2 » Version: 10.0.26100.3476

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.3476
Microsoft » Windows 11 24h2 » Version: 10.0.26100.3775

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.3775
Microsoft » Windows 11 24h2 » Version: 10.0.26100.4061

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.4061
Microsoft » Windows 11 24h2 » Version: 10.0.26100.4270

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.4270
Microsoft » Windows 11 24h2 » Version: 10.0.26100.4349

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.4349
Microsoft » Windows 11 24h2 » Version: 10.0.26100.4652

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.4652
Microsoft » Windows 11 24h2 » Version: 10.0.26100.4851

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.4851
Microsoft » Windows 11 24h2 » Version: 10.0.26100.4946

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.4946
Microsoft » Windows 11 24h2 » Version: 10.0.26100.6508

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.6508
Microsoft » Windows 11 24h2 » Version: 10.0.26100.6563

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.6563
Microsoft » Windows 11 24h2 » Version: 10.0.26100.6584

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.6584
Microsoft » Windows 11 24h2 » Version: 10.0.26100.6899

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.6899
Microsoft » Windows 11 24h2 » Version: 10.0.26100.7092

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.7092
Microsoft » Windows 11 24h2 » Version: 10.0.26100.7392

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.7392
Microsoft » Windows 11 24h2 » Version: 10.0.26100.7456

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.7456
Microsoft » Windows 11 24h2 » Version: 10.0.26100.7462

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.7462
Microsoft » Windows 11 24h2 » Version: 10.0.26100.7623

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.7623
Microsoft » Windows 11 24h2 » Version: 10.0.26100.7781

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.7781
Microsoft » Windows 11 24h2 » Version: 10.0.26100.7979

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.7979
Microsoft » Windows 11 24h2 » Version: 10.0.26100.8246

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.8246
Microsoft » Windows 11 24h2 » Version: 10.0.26100.8390

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.8390
Microsoft » Windows 11 24h2 » Version: 10.0.26100.8457

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.8457
Microsoft » Windows 11 24h2 » Version: 10.0.26100.8655

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.8655
Microsoft » Windows 11 24h2 » Version: 10.0.26100.8875

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.8875
Microsoft » Windows 11 24h2 » Version: 10.0.26100.9106

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.9106
Microsoft » Windows 11 25h2 » Version: N/A

cpe:2.3:o:microsoft:windows_11_25h2:-
Microsoft » Windows 11 25h2 » Version: 10.0.26200.6899

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.6899
Microsoft » Windows 11 25h2 » Version: 10.0.26200.7092

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.7092
Microsoft » Windows 11 25h2 » Version: 10.0.26200.7171

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.7171
Microsoft » Windows 11 25h2 » Version: 10.0.26200.7392

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.7392
Microsoft » Windows 11 25h2 » Version: 10.0.26200.7456

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.7456
Microsoft » Windows 11 25h2 » Version: 10.0.26200.7462

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.7462
Microsoft » Windows 11 25h2 » Version: 10.0.26200.7623

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.7623
Microsoft » Windows 11 25h2 » Version: 10.0.26200.7781

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.7781
Microsoft » Windows 11 25h2 » Version: 10.0.26200.7979

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.7979
Microsoft » Windows 11 25h2 » Version: 10.0.26200.8246

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.8246
Microsoft » Windows 11 25h2 » Version: 10.0.26200.8390

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.8390
Microsoft » Windows 11 25h2 » Version: 10.0.26200.8457

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.8457
Microsoft » Windows 11 25h2 » Version: 10.0.26200.8655

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.8655
Microsoft » Windows 11 25h2 » Version: 10.0.26200.8875

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.8875
Microsoft » Windows 11 25h2 » Version: 10.0.26200.9106

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.9106
Microsoft » Windows 11 25h2 » Version: 10.0.26200.9168

cpe:2.3:o:microsoft:windows_11_25h2:10.0.26200.9168
Microsoft » Windows 11 26h1 » Version: N/A

cpe:2.3:o:microsoft:windows_11_26h1:-
Microsoft » Windows 11 26h1 » Version: 10.0.28000.1575

cpe:2.3:o:microsoft:windows_11_26h1:10.0.28000.1575
Microsoft » Windows 11 26h1 » Version: 10.0.28000.1719

cpe:2.3:o:microsoft:windows_11_26h1:10.0.28000.1719
Microsoft » Windows 11 26h1 » Version: 10.0.28000.1836

cpe:2.3:o:microsoft:windows_11_26h1:10.0.28000.1836
Microsoft » Windows 11 26h1 » Version: 10.0.28000.2113

cpe:2.3:o:microsoft:windows_11_26h1:10.0.28000.2113
Microsoft » Windows 11 26h1 » Version: 10.0.28000.2269

cpe:2.3:o:microsoft:windows_11_26h1:10.0.28000.2269
Microsoft » Windows 11 26h1 » Version: 10.0.28000.2525

cpe:2.3:o:microsoft:windows_11_26h1:10.0.28000.2525
Microsoft » Windows 11 26h1 » Version: 10.0.28000.2704

cpe:2.3:o:microsoft:windows_11_26h1:10.0.28000.2704

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-83504

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