CVE-2026-12067

Missing exception handlers in AvastSvc native message dispatcher ashServ.dll on Windows allow a local, unprivileged attacker to crash the service by sending specially crafted JSON messages. The vulnerability spans multiple handler pathways in the RPC-based native message protocol: LogNmSvc.messag...

CVE-2026-12067 AvastSvc denial of service via unhandled JsonCpp exceptions in native message handlers

Missing exception handlers in AvastSvc native message dispatcher ashServ.dll on Windows allow a local, unprivileged attacker to crash the service by sending specially crafted JSON messages. The vulnerability spans multiple handler pathways in the RPC-based native message protocol: LogNmSvc.messag...

CVE-2026-12067

The AvastSvc native message dispatcher (ashServ.dll) on Windows is vulnerable to a denial of service due to missing exception handlers during the processing of RPC-based native messages. A local, unprivileged attacker can crash the service by sending specially crafted JSON messages that trigger u...