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

CVE-2025-58726

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

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

HIGH · CVSS 7.5 EPSS 0.00083
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-284Improper Access Control
▤

Affected Products & Versions

16
microsoft windows 10 1507< 10.0.10240.21161
microsoft windows 10 1607< 10.0.14393.8519
microsoft windows 10 1809< 10.0.17763.7919
microsoft windows 10 21h2< 10.0.19044.6456
microsoft windows 10 22h2< 10.0.19045.6456
microsoft windows 11 22h2< 10.0.22621.6060
microsoft windows 11 23h2<= 10.0.22631.6060
microsoft windows 11 24h2< 10.0.26100.6899
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Oct 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2025-58726Elevation of Privilege
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin