ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·10/20/2025
CVE-2025-33073 added to CISA KEV: Microsoft Windows
Status: ✅ Confirmed exploited in the wild
Date added: 2025-10-20
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due date: 2025-11-10
Why this matters
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
Lyrie Verdict
Lyrie's autonomous detection layer catches active exploitation primitives at machine speed — closing the gap between disclosure and weaponization that traditional defense simply can't cover.