CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-21343

Windows Web Threat Defense User Service Information Disclosure Vulnerability

Exploit prediction scoring system (EPSS) score

EPSS Score 0.012

EPSS Ranking 77.6%

CVSS Severity

CVSS v3 Score 7.5

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21343

Products affected by CVE-2025-21343

Microsoft » Windows 11 22h2 » Version: N/A

cpe:2.3:o:microsoft:windows_11_22h2:-
Microsoft » Windows 11 22h2 » Version: 10.0.22000.1413

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22000.1413
Microsoft » Windows 11 22h2 » Version: 10.0.22000.1702

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22000.1702
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1105

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1105
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1194

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1194
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1265

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1265
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1344

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1344
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1413

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1413
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1485

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1485
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1555

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1555
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1635

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1635
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1702

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1702
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1778

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1778
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1848

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1848
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1928

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1928
Microsoft » Windows 11 22h2 » Version: 10.0.22621.1992

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.1992
Microsoft » Windows 11 22h2 » Version: 10.0.22621.2070

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.2070
Microsoft » Windows 11 22h2 » Version: 10.0.22621.2134

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.2134
Microsoft » Windows 11 22h2 » Version: 10.0.22621.2215

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.2215
Microsoft » Windows 11 22h2 » Version: 10.0.22621.2275

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.2275
Microsoft » Windows 11 22h2 » Version: 10.0.22621.2283

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.2283
Microsoft » Windows 11 22h2 » Version: 10.0.22621.2361

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.2361
Microsoft » Windows 11 22h2 » Version: 10.0.22621.2428

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.2428
Microsoft » Windows 11 22h2 » Version: 10.0.22621.2715

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.2715
Microsoft » Windows 11 22h2 » Version: 10.0.22621.2861

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.2861
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3007

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3007
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3085

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3085
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3155

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3155
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3235

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3235
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3296

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3296
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3374

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3374
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3447

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3447
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3527

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3527
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3593

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3593
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3672

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3672
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3737

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3737
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3810

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3810
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3880

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3880
Microsoft » Windows 11 22h2 » Version: 10.0.22621.3958

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.3958
Microsoft » Windows 11 22h2 » Version: 10.0.22621.4037

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.4037
Microsoft » Windows 11 22h2 » Version: 10.0.22621.4112

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.4112
Microsoft » Windows 11 22h2 » Version: 10.0.22621.4169

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.4169
Microsoft » Windows 11 22h2 » Version: 10.0.22621.4249

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.4249
Microsoft » Windows 11 22h2 » Version: 10.0.22621.4317

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.4317
Microsoft » Windows 11 22h2 » Version: 10.0.22621.4391

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.4391
Microsoft » Windows 11 22h2 » Version: 10.0.22621.4460

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.4460
Microsoft » Windows 11 22h2 » Version: 10.0.22621.4541

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.4541
Microsoft » Windows 11 22h2 » Version: 10.0.22621.4602

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.4602
Microsoft » Windows 11 22h2 » Version: 10.0.22621.521

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.521
Microsoft » Windows 11 22h2 » Version: 10.0.22621.525

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.525
Microsoft » Windows 11 22h2 » Version: 10.0.22621.608

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.608
Microsoft » Windows 11 22h2 » Version: 10.0.22621.674

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.674
Microsoft » Windows 11 22h2 » Version: 10.0.22621.675

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.675
Microsoft » Windows 11 22h2 » Version: 10.0.22621.755

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.755
Microsoft » Windows 11 22h2 » Version: 10.0.22621.819

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.819
Microsoft » Windows 11 22h2 » Version: 10.0.22621.900

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.900
Microsoft » Windows 11 22h2 » Version: 10.0.22621.963

cpe:2.3:o:microsoft:windows_11_22h2:10.0.22621.963
Microsoft » Windows 11 23h2 » Version: N/A

cpe:2.3:o:microsoft:windows_11_23h2:-
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: 10.0.22631.2428

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 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

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-21343

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