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gre
About this tag
The tag 'gre' on WindowsForum.com covers discussions about the Generic Routing Encapsulation (GRE) protocol, particularly in the context of Windows Server and networking. Recent content includes a thread about CVE-2025-50156, a vulnerability in Windows Routing and Remote Access Service (RRAS) that affects GRE and other tunneling protocols. The tag focuses on security patches, configuration issues, and troubleshooting related to GRE tunnels in enterprise IT environments. Topics also involve VPNs, routing, and remote access scenarios where GRE is used alongside RRAS. Users share updates on Microsoft security advisories and best practices for securing GRE implementations on Windows Server.
Title: CVE-2025-50156 — Windows Routing and Remote Access Service (RRAS) Information Disclosure (Uninitialized Resource)
Executive summary
What happened: An information-disclosure vulnerability (CVE-2025-50156) was reported in Windows Routing and Remote Access Service (RRAS). The flaw is caused...
cve-2025-50156
firewall hardening
gre
ikev2
incident response
information disclosure
ipsec
network security
patch management
pptp
rras
rras vulnerability
segmentation
siem
sstp
threat hunting
vpn
windows security
windows server
windows update