Windows SMB Client Zero-Day Vulnerability Exploited Using Reflective Kerberos Relay Attack

A critical zero-day vulnerability affecting Windows systems that allows attackers to achieve privilege escalation through a novel Reflective Kerberos Relay Attack.  The vulnerability, designated CVE-2025-33073, was patched by Microsoft on June 10, 2025, as part of their monthly Patch Tuesday security updates. Microsoft has assigned this vulnerability a CVSS score of 9.8 (Critical) due to […]

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