CVE-2025-33073

As of 2026-02-26, CVE-2025-33073 is a CVSS 8.8 (HIGH-severity) vulnerability. CISA KEV-listed (known exploited). EPSS exploitation probability 37.2%. Threadlinqs Intelligence tracks 5 threats exploiting it.

Last updated: 2026-02-26

Improper access control in Windows SMB allows an authorized attacker to elevate privileges over a network.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Weaknesses (CWE)

CWE-284

Exploitation status

CISA KEV-listed (known exploited)

Threats tracking this CVE

• The Gentlemen RaaS overtakes Qilin as #1 ransomware operation, wields GentleKiller EDR-killer framework (400+ processes, 8 BYOVD variants) and 90% affiliate payouts — HIGH
• The Gentlemen Ransomware: Worm-Like Self-Propagation and Network-Wide Encryption via Storm-2697's RaaS Affiliate Program — CRITICAL
• Q1 2026 Ransomware Landscape: Qilin Dominance, LockBit 5.0 Comeback, and FortiGate (CVE-2024-55591) / Oracle EBS (CVE-2025-61882) Mass Exploitation — CRITICAL
• Multi-Stage Linux Intrusion via End-of-Life F5 BIG-IP and Unpatched Confluence — SSH Foothold to NTLM Relay (CVE-2025-33073, CVE-2025-53521) — HIGH
• F5 BIG-IP Edge Appliance Abused for SSH Pivot → Confluence RCE → CVE-2025-33073 Kerberos Relay to Active Directory (Microsoft Defender Research) — HIGH

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33073

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Enriched from CVE.org, NVD (this product uses the NVD API but is not endorsed or certified by the NVD), FIRST EPSS, CISA KEV, and GitHub Security Advisories.