CVE-2026-26128: Windows SMB and NTLM Reflection Protection Bypass Vulnerability Analysis

CVE-2026-26128 WIndows SMB and NTLM ReflectIon ProtectIon Bypass VulnerabIlIty AnalysIs

Introduction The cybersecurity landscape is confronting a dangerous new threat targeting the core authentication mechanisms of Windows operating systems. With the public release of a Proof-of-Concept (PoC) exploit code, the vulnerability designated as CVE-2026-26128 introduces severe operational risks to local networks and systems. Although early reports incorrectly associated the flaw with the Kerberos protocol, technical analysis confirms that the underlying mechanism