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Vulnerability Assessment

Weakness
CWE
CWE-23
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Relative path traversal prevention
Impact

Sensitive files such as configuration files, credentials, or system files can be read, potentially leading to further compromise. With a CVSS score of 8.8 (HIGH), this represents a significant risk.
Exploit ScenarioDerived

An attacker modifies a file parameter to include directory traversal sequences (../../etc/passwd) to read arbitrary files from the server filesystem.
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

Relative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

Earlier versions of this analysis (1)
v1 Mar 16, 2026 - 04:21 CVSS 8.8

RemediationAI

Validate and sanitize file path inputs. Use a whitelist of allowed files or directories. Implement chroot jails or containerization.

Affected VersionsENISA

Windows Server 2012 6.2.9200.0 <6.2.9200.25573
Windows 11 Version 23H2 10.0.22631.0 <10.0.22631.5624
Windows Server 2016 10.0.14393.0 <10.0.14393.8246
Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 <6.3.9600.22676
Windows 11 version 22H2 10.0.22621.0 <10.0.22621.5624
Windows 10 Version 1607 10.0.14393.0 <10.0.14393.8246
Windows Server 2012 (Server Core installation) 6.2.9200.0 <6.2.9200.25573
Windows Server 2019 (Server Core installation) 10.0.17763.0 <10.0.17763.7558
Windows Server 2008 Service Pack 2 6.0.6003.0 <6.0.6003.23418
Windows 10 Version 22H2 10.0.19045.0 <10.0.19045.6093
Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.8246
Windows 10 Version 21H2 10.0.19044.0 <10.0.19044.6093
Windows Server 2008 Service Pack 2 6.0.6003.0 <6.0.6003.23418
Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 <6.0.6003.23418
Windows 11 version 22H3 10.0.22631.0 <10.0.22631.5624
Windows Server 2019 10.0.17763.0 <10.0.17763.7558
Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 <6.1.7601.27820
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 <10.0.25398.1732
Windows App Client for Windows Desktop 1.00 <2.0.559.0
Windows 10 Version 1507 10.0.10240.0 <10.0.10240.21073
Windows Server 2012 R2 6.3.9600.0 <6.3.9600.22676
Windows 11 Version 24H2 10.0.26100.0 <10.0.26100.4652
Windows 10 Version 1809 10.0.17763.0 <10.0.17763.7558
Remote Desktop client for Windows Desktop 1.2.0.0 <1.2.6353.0
Windows Server 2008 R2 Service Pack 1 6.1.7601.0 <6.1.7601.27820
Windows Server 2022 10.0.20348.0 <10.0.20348.3932
Windows Server 2025 10.0.26100.0 <10.0.26100.4652
Windows Server 2025 (Server Core installation) 10.0.26100.0 <10.0.26100.4652

Affected Packages

euvd remote_desktop_client_for_windows_desktop fix: 1.2.6353.0
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_app_client_for_windows_desktop fix: 2.0.559.0
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 27 packages in euvd

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Technical ContextAI · show details

Path traversal allows an attacker to access files outside the intended directory by manipulating file paths with sequences like '../'.

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

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
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
6.2.9200.25573,10.0.22631.5624,10.0.14393.8246
CVE Published
Jul 08, 2025 - 17:15 nvd
HIGH 8.8

Executive ViewAI

Why It Matters

CVE-2025-48817 is a high-severity remote code execution vulnerability in Remote Desktop Client that enables network-based attackers to execute arbitrary code without authentication. This directly threatens organizations using RDP for remote access, potentially allowing attackers to compromise systems and move laterally across the network.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.1%
Top 80% 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
Open
Automatable· derived
No
Human Impact
High

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

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Same weakness CWE-23 – Relative Path Traversal

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CVE-2024-24578 CRITICAL POC
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CVE-2025-52207 CRITICAL POC
9.9
CVE-2023-6825 CRITICAL POC
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Same technique Path Traversal

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CVE-2021-40444 HIGH POC
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References

Advisories & patches
ADVISORY https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48817 ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-48817

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