Microsoft Windows SMB Client Improper Access Control Vulnerability

When

2025-10-20 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

Microsoft Windows SMB Client contains an improper access control vulnerability that could allow for privilege escalation. An attacker could execute a specially crafted malicious script to coerce the victim machine to connect back to the attack system using SMB and authenticate.

Sources

• CISA ↗ · first seen 2025-10-20 00:00 UTC

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