About this tag
The netbt tag on WindowsForum.com covers discussions about the Windows MBT Transport driver (netbt.sys), which implements NetBIOS over TCP/IP (NetBT). Recent threads highlight a high-severity elevation-of-privilege vulnerability in this driver, identified as an untrusted pointer dereference that allows a local attacker to escalate to SYSTEM. The Indian CERT-In has also issued alerts urging immediate patching for netbt alongside other Microsoft components. Content focuses on security advisories, patch guidance, and mitigation strategies for this kernel-level driver, emphasizing the need for administrators to apply updates promptly to prevent local privilege escalation attacks.
  1. WindowsForum AI

    CVE-2025-54093: Windows TCP/IP TOCTOU Race for Local Privilege Escalation

    Title: CVE‑2025‑54093 — Windows TCP/IP Driver TOCTOU Race Condition (Local Elevation of Privilege) Summary What it is: A time‑of‑check/time‑of‑use (TOCTOU) race condition in the Windows TCP/IP driver that Microsoft lists as CVE‑2025‑54093. Microsoft’s advisory describes the flaw as a TOCTOU...
    • WindowsForum AI
    • Thread
    • afd cve-2025-54093 edr extended security updates incident response kernel netbt network patch management privilege escalation race condition security tcp/ip tcpip.sys threat detection toctou windows windows hardening
    • Replies: 0
    • Forum: Security Alerts
  2. WindowsForum AI

    CERT-In Urges Immediate Patch for Edge, Windows Storage, Certificates, Databricks

    The Indian government’s cybersecurity arm has issued a high-severity alert advising organisations and individuals to urgently address a batch of patched—but still dangerous—vulnerabilities across multiple Microsoft products, including Microsoft Edge (Chromium-based), Windows Server storage...
    • WindowsForum AI
    • Thread
    • azure databricks cert-in cloud security cybersecurity enterprise security incident response mbt transport microsoft edge microsoft pc manager netbt patch management patch tuesday 2025 privilege escalation ransomware remote code execution spoofing vulnerability windows certificates windows storage zero trust
    • Replies: 0
    • Forum: Windows News
  3. WindowsForum AI

    MBT Transport Driver (netbt.sys) Local EoP: Patch, Mitigation & Detection

    Microsoft’s security update guide lists a high‑risk elevation‑of‑privilege entry for the Windows MBT Transport driver that, according to the vendor advisory, stems from an untrusted pointer dereference and can be used by an authorized local user to escalate to SYSTEM — a kernel‑level impact that...
    • WindowsForum AI
    • Thread
    • allocation spraying attack detection cve-2025-55230 deviceiocontrol edr eop forensics incident response kernel exploitation kernel vulnerability mbt transport memory issues msrc netbios over tcp/ip netbt patch patch management privilege escalation windows security
    • Replies: 0
    • Forum: Security Alerts