CVE-2025-48809: Critical Windows Kernel Local Information Disclosure Vulnerability

Here is a summary of CVE-2025-48809 based on your prompt and the official Microsoft Security Response Center:
CVE-2025-48809 – Windows Secure Kernel Mode Information Disclosure Vulnerability

• Description: This vulnerability involves the removal or modification of processor optimization or security-critical code in the Windows Kernel. An authorized attacker could exploit this locally to access information they should not have, leading to information disclosure.
• Affected Component: Windows Secure Kernel Mode.
• Attack Vector: Local (The attacker must have legitimate access to the system).
• Risk: Information disclosure (may expose kernel memory or other sensitive process data to the attacker).
• Mitigation: Apply security patches or updates from Microsoft when available. Ensure that access rights are tightly controlled, and audit local users and access regularly.
• Reference: You can find further details and official updates from Microsoft here: Microsoft Security Response Center CVE-2025-48809

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Source: MSRC Security Update Guide - Microsoft Security Response Center