diff --git a/nmap-service-probes b/nmap-service-probes
index 84896796f..bb057afcd 100644
--- a/nmap-service-probes
+++ b/nmap-service-probes
@@ -13907,9 +13907,10 @@ ports 3388,3389
 fallback TerminalServer
 
 # varies on flags:
-# 0x10 - Remote Credential Guard (Windows 10 1607 or later)
 # 0x08 - Restricted Admin mode (Windows 8.1 or later)
-match ms-wbt-server m|^\x03\0\0\x13\x0e\xd0\0\0\x124\0\x02[\x07\x0f\x1f]\x08\0\x02\0\0\0| p/Microsoft Terminal Services/ o/Windows/ cpe:/o:microsoft:windows/a
+# 0x10 - Remote Credential Guard (Windows 10 1607 or later)
+# 0x20 - Undocumented; observed on Windows build 10.26100 (Server 2025, Windows 11 24H2)
+match ms-wbt-server m|^\x03\0\0\x13\x0e\xd0\0\0\x124\0\x02[\x07\x0f\x17\x1f\x27\x2f\x37\x3f]\x08\0\x02\0\0\0| p/Microsoft Terminal Services/ o/Windows/ cpe:/o:microsoft:windows/a
 match ms-wbt-server m|^\x03\0\0\x0b\x06\xd0\0\0\x124\0$| p/Microsoft Terminal Services/ o/Windows XP/ cpe:/o:microsoft:windows_xp/a
 
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