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2026-09-08
Windows ALPC Heap-Based Buffer Overflow Privilege Escalation Vulnerability (CVE-2026-85880) Security Advisory
[Affected Scope] Locally authenticated users across Microsoft Windows operating systems
[Impact] Local attackers can elevate privileges to SYSTEM level, gaining full control over the target system and executing arbitrary code
[Mitigation] Apply the official Microsoft security patches immediately and restrict local access on unpatched assets