A proof-of-concept (PoC) exploit has been publicly released for CVE-2026-20817, a local privilege escalation vulnerability in the Windows Error Reporting (WER) service that allows low-privileged users to gain SYSTEM-level access through specially crafted ALPC messages. Vulnerability Overview The security researcher known as oxfemale (@bytecodevm) has published a working PoC exploit on GitHub for CVE-2026-20817, a […] The post PoC Exploit Released for Microsoft Windows Error Reporting ALPC Privilege Escalation appeared first on Cyber Security News.