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cve-2025-48803

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CVE-2025-48803 is a critical Windows security vulnerability disclosed in July 2025 that affects systems using Virtualization-Based Security (VBS). The flaw stems from a missing integrity check within the VBS enclave, allowing an authorized attacker to locally elevate privileges. VBS is a hardware-backed security feature in Windows that creates isolated memory regions to protect against attacks. This vulnerability underscores the importance of applying security updates promptly to mitigate privilege escalation risks. Windows users and IT administrators should prioritize patching systems that rely on VBS to maintain a secure environment.
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    Critical Windows Vulnerability CVE-2025-48803: Protect Your System Against Privilege Escalation

    In July 2025, a significant security vulnerability, identified as CVE-2025-48803, was disclosed, affecting Windows systems utilizing Virtualization-Based Security (VBS). This flaw allows authorized attackers to elevate their privileges locally due to a missing integrity check within the VBS...
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    • cve-2025-48803 cybersecurity data security microsoft security privilege escalation privileged access security security best practices security monitoring security updates system hardening system protection vbs enclaves vbs vulnerability virtualization windows security
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    • Forum: Security Alerts
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