CVE-2025-33073
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
82.7%
99.7th percentile
CISA KEV
Listed
Added 2025-10-20 · patch by 2025-11-10
Weakness / dates
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Published — · modified —
Timeline
- 2025-10-20 — Added to CISA KEV (actively exploited)
- 2025-11-10 — CISA patch-by deadline
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.