CVE-2026-116596: CVE-2026-116596

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-26 · updated 2026-10-26

Description

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.

Affected products

Pyrus Sync: before 1.8.745.0 — fixed in 1.8.745.0

How to fix

Upgrade to a fixed version: Pyrus Sync 1.8.745.0. Check the vendor advisory for mitigations.

References

https://medium.com/@alisaifeldin/cve-2026-116596-local-privilege-escalation-in-pyrus-sync-for-windows-0fe2417dc8cf
https://pyrus.com/en/pyrus-sync

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