Vulnerability · Published Oct 14, 2025 · Assigned by microsoft
CVE-2025-58726Windows SMB Server Elevation of Privilege Vulnerability
High 7.5
In plain English
A high-severity improper access control in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.0%top 35.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Improper access control in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
Affected products (as reported)
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Windows SMB Server Elevation of Privilege Vulnerability vendor-advisory, patch
- https://www.vicarius.io/vsociety/posts/cve-2025-58726-detection-script-improper-access-control-affecting-smb-server-by-microsoft
- https://www.vicarius.io/vsociety/posts/cve-2025-58726-mitigation-script-improper-access-control-affecting-smb-server-by-microsoft