CVE detail
CVE-2025-33073 — Microsoft Windows SMB Client Improper Access Control Vulnerability
Published 2025-10-20 · Modified 2025-10-20 · Source kev
HIGH
severity
CVSS-derived band
0.8042
EPSS probability
exploitation probability, 30d
100.0%
EPSS percentile
percentile vs all CVEs
LISTED
CISA KEV
due 2025-11-10
⚠ Actively exploited in the wild — CISA KEV listed 2025-10-20, federal remediation due 2025-11-10.
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References