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Vulnerability Assessment

Weakness
CWE
CWE-591
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Sensitive data in persistent store
Impact

Exposed information (credentials, internal paths, user data, configuration) can be leveraged for further attacks or regulatory violations. With a CVSS score of 7.1 (HIGH), this represents a significant risk.
Exploit ScenarioDerived

An attacker triggers error conditions or accesses improperly protected endpoints to extract sensitive internal information from the application.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 16, 2026

Sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

Earlier versions of this analysis (1)
v1 Mar 16, 2026 - 04:21 CVSS 7.1

RemediationAI

Implement proper access controls. Sanitize error messages in production. Review logging practices to avoid capturing sensitive data.

Affected VersionsENISA

Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.8246
Windows Server 2025 10.0.26100.0 <10.0.26100.4652
Windows Server 2008 R2 Service Pack 1 6.1.7601.0 <6.1.7601.27820
Windows 10 Version 22H2 10.0.19045.0 <10.0.19045.6093
Windows 10 Version 1507 10.0.10240.0 <10.0.10240.21073
Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 <6.1.7601.27820
Windows 11 version 22H2 10.0.22621.0 <10.0.22621.5624
Windows Server 2012 (Server Core installation) 6.2.9200.0 <6.2.9200.25573
Windows 11 Version 24H2 10.0.26100.0 <10.0.26100.4652
Windows Server 2025 (Server Core installation) 10.0.26100.0 <10.0.26100.4652
Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 <6.3.9600.22676
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 <10.0.25398.1732
Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 <6.0.6003.23418
Windows Server 2019 (Server Core installation) 10.0.17763.0 <10.0.17763.7558
Windows Server 2016 10.0.14393.0 <10.0.14393.8246
Windows Server 2008 Service Pack 2 6.0.6003.0 <6.0.6003.23418
Windows 11 version 22H3 10.0.22631.0 <10.0.22631.5624
Windows Server 2022 10.0.20348.0 <10.0.20348.3932
Windows 10 Version 1809 10.0.17763.0 <10.0.17763.7558
Windows Server 2012 R2 6.3.9600.0 <6.3.9600.22676
Windows 10 Version 1607 10.0.14393.0 <10.0.14393.8246
Windows Server 2008 Service Pack 2 6.0.6003.0 <6.0.6003.23418
Windows 10 Version 21H2 10.0.19044.0 <10.0.19044.6093
Windows 11 Version 23H2 10.0.22631.0 <10.0.22631.5624
Windows Server 2019 10.0.17763.0 <10.0.17763.7558
Windows Server 2012 6.2.9200.0 <6.2.9200.25573

Affected Packages

euvd windows_10_version_1507 fix: 10.0.10240.21073
euvd windows_10_version_1607 fix: 10.0.14393.8246
euvd windows_10_version_1809 fix: 10.0.17763.7558
euvd windows_10_version_21h2 fix: 10.0.19044.6093
euvd windows_10_version_22h2 fix: 10.0.19045.6093
euvd windows_11_version_22h2 fix: 10.0.22621.5624
euvd windows_11_version_22h3 fix: 10.0.22631.5624
euvd windows_11_version_23h2 fix: 10.0.22631.5624
euvd windows_11_version_24h2 fix: 10.0.26100.4652
euvd windows_server_2008_r2_service_pack_1 fix: 6.1.7601.27820
euvd windows_server_2008_r2_service_pack_1_server_core_installation fix: 6.1.7601.27820
euvd windows_server_2008_service_pack_2 fix: 6.0.6003.23418
euvd windows_server_2008_service_pack_2_server_core_installation fix: 6.0.6003.23418
euvd windows_server_2012 fix: 6.2.9200.25573
euvd windows_server_2012_r2 fix: 6.3.9600.22676
euvd windows_server_2012_r2_server_core_installation fix: 6.3.9600.22676
euvd windows_server_2012_server_core_installation fix: 6.2.9200.25573
euvd windows_server_2016 fix: 10.0.14393.8246
euvd windows_server_2016_server_core_installation fix: 10.0.14393.8246
euvd windows_server_2019 fix: 10.0.17763.7558
euvd windows_server_2019_server_core_installation fix: 10.0.17763.7558
euvd windows_server_2022 fix: 10.0.20348.3932
euvd windows_server_2022_23h2_edition_server_core_installation fix: 10.0.25398.1732
euvd windows_server_2025 fix: 10.0.26100.4652
euvd windows_server_2025_server_core_installation fix: 10.0.26100.4652

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 25 packages in euvd

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Technical ContextAI · show details

Information disclosure occurs when an application inadvertently reveals sensitive data to unauthorized actors through error messages, logs, or improper access controls.

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

NVD PRIMARY 7.1 HIGH
AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

3
Analysis Updated
Apr 16, 2026 - 06:32 EUVD-patch-fix
executive summary
Patch available
Apr 16, 2026 - 05:29 EUVD
10.0.14393.8246,10.0.26100.4652,6.1.7601.27820
CVE Published
Jul 08, 2025 - 17:15 nvd
HIGH 7.1

Executive ViewAI

Why It Matters

CVE-2025-48819 affects Windows UPnP Device Host, enabling authorized attackers on adjacent networks to escalate privileges through insecure memory handling. Organizations running UPnP services face localized privilege escalation risk from network-adjacent adversaries, potentially compromising device integrity and lateral movement pathways.

Business Impact: Medium
Compensating Controls

Apply vendor patch. If patching is delayed, disable UPnP Device Host service on systems lacking business justification, restrict network access to UPnP ports (UDP 1900, TCP 49152+) via firewall rules, and monitor for abnormal privilege escalation attempts from adjacent networks.

Threat Intelligence Overview

EPSS Score
0.1%
Top 72% 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 0.1%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Controlled
Automatable· derived
No
Human Impact
Medium

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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Same weakness CWE-591 – Sensitive Data Storage in Improperly Locked Memory

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References

Advisories & patches
ADVISORY https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48819 ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-48819

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