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CVE-2025-33073: Microsoft Windows

EPSS82.6%No. 598 of 1739 in KEV
CVE year2025listed the same year
Same vendor in KEV389
Same product174
FieldValue
VendorMicrosoft
ProductWindows
NameMicrosoft Windows SMB Client Improper Access Control Vulnerability
Added to KEV2025-10-20
US federal due date2025-11-10
Ransomware useUnknown
CWECWE-284

CISA 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.

Other entries for this product

CVEVendor / productAddedEPSSRansomware
CVE-2026-85880Microsoft Windows2026-09-083.6%Unknown
CVE-2026-81963Microsoft Windows2026-09-080.3%Unknown
CVE-2008-4250Microsoft Windows2026-05-2098.7%Unknown
CVE-2026-32202Microsoft Windows2026-04-284.9%Unknown
CVE-2025-60710Microsoft Windows2026-04-134.5%Known
CVE-2023-36424Microsoft Windows2026-04-1312.1%Unknown
CVE-2008-0015Microsoft Windows2026-02-1776.5%Unknown
CVE-2026-21533Microsoft Windows2026-02-104.1%Unknown
CVE-2026-21525Microsoft Windows2026-02-104.8%Unknown
CVE-2026-21519Microsoft Windows2026-02-102.4%Unknown
CVE-2026-21513Microsoft Windows2026-02-1015.8%Unknown
CVE-2026-21510Microsoft Windows2026-02-1024.5%Unknown
CVE-2026-20805Microsoft Windows2026-01-137.2%Unknown
CVE-2025-62221Microsoft Windows2025-12-092.5%Unknown
CVE-2025-62215Microsoft Windows2025-11-125.9%Unknown

NVD — CVE-2025-33073

Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page

A Microsoft Windows vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2025-10-20.