Critical Vulnerability in Windows Defender Firewall Exposes Sensitive Data

First seen 10 Dec 2025, 14:47 UTC • Gbhackers

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ThreatCluster

Microsoft has disclosed a critical vulnerability in the Windows Defender Firewall Service that allows attackers with elevated privileges to access sensitive data. This flaw poses significant risks to users relying on the firewall for protection against cyber threats.

How this analysis works

Attack Flow

7 entities, 10 inferred relationships (STIX 2.1).

Technique (2)

Data Breach
Malware

Organization (1)

Microsoft

Vulnerability (1)

CVE-2025-62468

Affected Platform (3)

Windows
Windows Defender Firewall
Windows Defender Firewall Service

Relationships

CVE-2025-62468 targets Windows
CVE-2025-62468 targets Windows Defender Firewall
CVE-2025-62468 targets Windows Defender Firewall Service
Data Breach targets Windows
Data Breach targets Windows Defender Firewall
Data Breach targets Windows Defender Firewall Service
Malware targets Windows
Malware targets Windows Defender Firewall
Malware targets Windows Defender Firewall Service
CVE-2025-62468 related to Microsoft

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Critical Vulnerability in Windows Defender Firewall Exposes Sensitive Data

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Extracted Entities

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