CVE-2025-33073
Windows SMB Client Elevation of Privilege Vulnerability
- Published
- Jun 10, 2025
- Updated
- Feb 26, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Jun 15, 2025
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.7%
- Model date
- Oct 15, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Improper access control in Windows SMB allows an authorized attacker to elevate privileges over a network.
Sources
- Blackash-CVE-2025-33073Exploit
CVE-2025-33073
PoC Exploit for the NTLM reflection SMB flaw.
- CVE-2025-33073Research
CVE-2025-33073 Research writeup
Research framework for CVE-2025-33073, a Windows SMB Client privilege escalation vulnerability. Provides malicious SMB server and client exploit implementations for controlled testing and educational use.
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.