Live › vulnerability › CVE-2026-116596
Go to dashboardPyrus Sync for Windows runs a service named PyrusSyncService that does not enforce authorization checks on its ISyncService contract. A local attacker with unprivileged access can use it to create files and escalate privileges on the Windows machine.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-26 17:31 UTC. All times on this page are UTC.
Machines where Pyrus Sync for Windows is installed and its PyrusSyncService Windows service is running. Users on shared Windows hosts are the most exposed, since the attacker only needs a local unprivileged account. Systems without Pyrus Sync installed are not affected.
No product ranges from the sources yet.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Pyrus Sync for Windows contains a local privilege escalation vulnerability caused by missing authorization controls in its PyrusSyncService Windows service, which allow an attacker with unprivileged access to create files using the ISyncService contract.
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