In multiple functions of mem_protect.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional exec — CVE-2025-48637

Summary

Advisory CVE-2025-48637. In multiple functions of mem_protect.c, there is a possible out of bounds write due to an integer overflow. This could lead to local… Vendor: Microsoft. Source: MSRC. Threat: high. CVSS 7.8. See the official…

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

Read the official source

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