CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-69777

Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent network.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.005

EPSS Ranking 41.0%

CVSS Severity

CVSS v3 Score 8.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69777

Products affected by CVE-2026-69777

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

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-69777

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