CVE-2026-77888

Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
References
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

History

16 Sep 2026, 15:07

Type Values Removed Values Added
First Time Microsoft windows Server 2022
Microsoft windows 10 1809
Microsoft windows Server 2019
Microsoft windows Server 2012
Microsoft windows Server 2025
Microsoft windows Server 2016
Microsoft
Microsoft windows 10 1607
CPE cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77888 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77888 - Patch, Vendor Advisory

Information

Published : 2026-09-08 18:20

Updated : 2026-09-16 15:07


NVD link : CVE-2026-77888

Mitre link : CVE-2026-77888

CVE.ORG link : CVE-2026-77888


JSON object : View

Products Affected

microsoft

  • windows_server_2019
  • windows_server_2012
  • windows_server_2016
  • windows_10_1607
  • windows_server_2022
  • windows_server_2025
  • windows_10_1809
CWE
CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')