PoC Exploit Released for Windows Error Reporting ALPC Privilege Escalation

A critical local privilege escalation (LPE) vulnerability affecting Microsoft Windows has recently come to light following the public release of a Proof-of-Concept (PoC) exploit. Tracked as CVE-2026-20817, this security flaw resides within the Windows Error Reporting (WER) service. The vulnerability allows an authenticated user with low-level privileges to execute arbitrary malicious code with full SYSTEM […]

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