Avast Antivirus before 20 Improper Privilege Management Vulnerability
An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to achieve Local Privilege Escalation (LPE) via RPC.
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The original article can be found at https://forum.avast.com/index.php?topic=232420.0