CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-85884

Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate privileges locally.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.004

EPSS Ranking 38.8%

CVSS Severity

CVSS v3 Score 7.8

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85884

Products affected by CVE-2026-85884

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: 10.0.26100.3981

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.3981
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: 10.0.26100.7171

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.7171
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 24h2 » Version: 10.0.26100.9168

cpe:2.3:o:microsoft:windows_11_24h2:10.0.26100.9168
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
Microsoft » Windows 11 26h2 » Version: Any

cpe:2.3:o:microsoft:windows_11_26h2:*

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-85884

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