---
id: CVE-2026-116596
title: CVE-2026-116596
summary: >-
  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 ISync…
severity: none
cwe:
  - CWE-266
vendor: Pyrus
product: Pyrus Sync
affected:
  - sync < 1.8.745.0
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T16:17:29.178Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116596'
references:
  - url: 'https://pyrus.com/en/pyrus-sync'
  - url: >-
      https://medium.com/@alisaifeldin/cve-2026-116596-local-privilege-escalation-in-pyrus-sync-for-windows-0fe2417dc8cf
tags:
  - cve.org
ingestedAt: '2026-10-26T16:31:40.054Z'
---

## Overview

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

- `sync < 1.8.745.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.