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Vulnerabilities CVE-2025-33073

CVE-2025-33073

Medium
Open
KEV
TLP:CLEAR

Microsoft Windows SMB Client Improper Access Control Vulnerability

NVD CVE.org

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Description

Microsoft — Windows — 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.

Details

EPSS Score ⓘ
80.42%

99.6th percentile

Confidence
100%
CISA KEV
Date Added
Oct 20, 2025
Patch Due
Nov 10, 2025
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.
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