Home/CVE/Improper authentication in Windows SMB Client allows an unauthorized attacker to perform tampering over a network.
CVE

CVE-2025-59280

Improper authentication in Windows SMB Client allows an unauthorized attacker to perform tampering over a network.

Improper authentication in Windows SMB Client allows an unauthorized attacker to perform tampering over a network.

LOW · CVSS 3.1 EPSS 0.00042
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

15
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

3.1
LOW · 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 · 05:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
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-2025-59280Tampering
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