Vulnerability Details CVE-2026-23666
Improper input validation in .NET Framework allows an unauthorized attacker to deny service over a network.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 32.0%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-23666
-
cpe:2.3:a:microsoft:.net_framework:3.5
-
cpe:2.3:a:microsoft:.net_framework:4.6.2
-
cpe:2.3:a:microsoft:.net_framework:4.7
-
cpe:2.3:a:microsoft:.net_framework:4.7.1
-
cpe:2.3:a:microsoft:.net_framework:4.7.2
-
cpe:2.3:a:microsoft:.net_framework:4.8
-
cpe:2.3:a:microsoft:.net_framework:4.8.1
-
cpe:2.3:o:microsoft:windows_10_1607:-
-
cpe:2.3:o:microsoft:windows_10_1809:-
-
cpe:2.3:o:microsoft:windows_10_21h2:-
-
cpe:2.3:o:microsoft:windows_10_22h2:-
-
cpe:2.3:o:microsoft:windows_11_22h2:-
-
cpe:2.3:o:microsoft:windows_11_23h2:-
-
cpe:2.3:o:microsoft:windows_11_24h2:-
-
cpe:2.3:o:microsoft:windows_11_25h2:-
-
cpe:2.3:o:microsoft:windows_11_26h1:-
-
cpe:2.3:o:microsoft:windows_server_2012:-
-
cpe:2.3:o:microsoft:windows_server_2012:r2
-
cpe:2.3:o:microsoft:windows_server_2022:-
-
cpe:2.3:o:microsoft:windows_server_2022_23h2:-
-
cpe:2.3:o:microsoft:windows_server_2025:-