CVE-2025-33073

UNKNOWNKnown Exploited

CISA Known Exploited Vulnerability

https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-33073 ; https://nvd.nist.gov/vuln/detail/CVE-2025-33073

Remediation deadline: November 10, 2025

Description

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.

Timeline

Published:October 20th, 2025 12:00 AM

Last modified:October 20th, 2025 12:00 AM

Added to KEV:October 20th, 2025

CVSS Scoring

No CVSS v3 score available

Affected Software

From NVD CPE configuration data

Vendors

Microsoft

Products

Windows

Weaknesses (CWE)

CWE-284

References & Reports

Advisories, patches, and third-party reports

No references available.

Source: CISA KEV + NVD · Data may lag official sources by up to one minute