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Windows EUVDEUVD-2025-17740

| CVE-2025-33068 HIGH
Uncontrolled Resource Consumption (CWE-400)
2025-06-10 secure@microsoft.com
Windows Denial Of Service Microsoft Windows Server 2012 Windows Server 2016 Windows Server 2019 Windows Server 2022 Windows Server 2025
7.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-400
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS 7.5, EPSS 26.8%. While not RCE, disrupting storage management on servers that depend on SMI-S storage provisioning can impact storage operations, volume management, and SAN connectivity in enterprise environments.
Exploit ScenarioDerived

An attacker sends crafted requests to the storage management service, exhausting its resources. Storage provisioning operations fail, preventing new volume creation, snapshot management, and SAN operations on the affected server.
Act Now Prioritize within 24-48h. Why: HIGH severity + EPSS > 10%.
Patch available 26.8% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 14, 2026

Windows Standards-Based Storage Management Service contains an uncontrolled resource consumption vulnerability allowing unauthenticated network attackers to cause denial of service. The service manages storage operations and its disruption affects storage provisioning and management on Windows servers.

Earlier versions of this analysis (1)
v1 Mar 14, 2026 - 19:49 CVSS 7.5

Remote DoS against Windows Storage Management Service via resource exhaustion disrupts storage operations on affected servers.

RemediationAI

Apply the Microsoft security update. Restrict network access to the storage management service port. Monitor service health for resource consumption anomalies.

Affected VersionsENISA

Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.8148
Windows Server 2016 10.0.14393.0 <10.0.14393.8148
Windows Server 2022 10.0.20348.0 <10.0.20348.3807
Windows Server 2025 (Server Core installation) 10.0.26100.0 <10.0.26100.4349
Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 <6.3.9600.22620
Windows Server 2019 (Server Core installation) 10.0.17763.0 <10.0.17763.7434
Windows Server 2012 R2 6.3.9600.0 <6.3.9600.22620
Windows Server 2019 10.0.17763.0 <10.0.17763.7434
Windows Server 2025 10.0.26100.0 <10.0.26100.4349

Affected Packages

euvd windows_server_2012_r2 fix: 6.3.9600.22620
euvd windows_server_2012_r2_server_core_installation fix: 6.3.9600.22620
euvd windows_server_2016 fix: 10.0.14393.8148
euvd windows_server_2016_server_core_installation fix: 10.0.14393.8148
euvd windows_server_2019 fix: 10.0.17763.7434
euvd windows_server_2019_server_core_installation fix: 10.0.17763.7434
euvd windows_server_2022 fix: 10.0.20348.3807
euvd windows_server_2025 fix: 10.0.26100.4349
euvd windows_server_2025_server_core_installation fix: 10.0.26100.4349

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 9 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Technical ContextAI · show details

The Standards-Based Storage Management Service (smphost) manages SMI-S based storage operations on Windows servers. An uncontrolled resource consumption flaw allows remote attackers to exhaust service resources without authentication, causing storage management operations to fail.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Updated
Apr 16, 2026 - 06:41 EUVD-patch-fix
executive summary
Patch available
Apr 16, 2026 - 05:29 EUVD
10.0.14393.8148,10.0.20348.3807,10.0.26100.4349
CVE Published
Jun 10, 2025 - 17:22 nvd
HIGH 7.5

DescriptionCVE.org

Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network.

Executive ViewAI

Why It Matters

CVE-2025-33068 is a high-severity denial-of-service vulnerability in Windows Standards-Based Storage Management Service that allows unauthenticated network attackers to disrupt storage operations across Windows server infrastructure. Exploitation could impact business continuity by degrading or disabling storage provisioning and management capabilities, affecting dependent applications and data availability.

Business Impact: High
Compensating Controls

Apply vendor patch. Interim mitigations pending patch deployment: implement network-level access controls to restrict connections to the Standards-Based Storage Management Service to trusted administrative networks only; monitor service availability and resource consumption for anomalous activity; consider temporary isolation of non-critical storage management functions if DoS risk is elevated in your environment.

Threat Intelligence Overview

EPSS Score
26.8%
Top 4% exploitable
Data Quality
4 sources
Confidence: Medium
EUVD NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 26.8%
Patch available Yes
Active threat No
Deciding rule
HIGH severity + EPSS > 10%
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
High

Priority Score

65
Low Medium High Critical
KEV: 0
EPSS: +27
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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References

Advisories & patches
ADVISORY https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33068 ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-33068

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