CVE-2026-24294
HighPublished
Windows SMB Server Elevation of Privilege Vulnerability
- Published
- Mar 10, 2026
- Updated
- Jul 1, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Aug 25, 2026
Primary CVSS
7.8/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H4.7%
Low · next 30 days
- Percentile
- 91.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.
Sources
1Local privilege escalation PoC for CVE-2026-24294, abusing SMB arbitrary port and NTLM reflection to achieve SYSTEM on Windows Server 2025.
Responsible use
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