CVE-2025-33073

unknown KEV

Published 2025-10-20 · Modified 2025-10-20

CVSS v3

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CVSS v2

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VIR risk

1.5

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.

CISA KEV

Vendor: Microsoft
Product: Windows
Due date: 2025-11-10

Predictions

Exploit likelihood

99%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

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

Exploits

References

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

Verify integrity in audit chain (admin only). AS-IS.