---
id: CVE-2026-112357
title: GFI KerioConnect KOFF < 10.0.9p2 Privilege Escalation
summary: >-
  GFI KerioConnect (Kerio Connect) Outlook Connector (Offline Edition), 'KOFF',
  before 10.0.9 Patch 2 contains a local privilege escalation vulnerability
  caused by weak installer permissions that leave the product directory writable
  by the…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-276
vendor: 'GFI USA, LLC'
product: GFI KerioConnect
affected:
  - gfi_kerioconnect < 10.0.9p2
published: '2026-10-28'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T18:53:58.772Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112357'
references:
  - url: 'https://gfi.ai/resource/kerioconnect-product-releases/'
    label: Release Notes
  - url: >-
      https://www.vulncheck.com/advisories/gfi-kerioconnect-koff-9p2-privilege-escalation
    label: 'VulnCheck Advisory: GFI KerioConnect KOFF < 10.0.9p2 Privilege Escalation'
tags:
  - cve.org
epss: 0.00129
epssPercentile: 0.0248
ingestedAt: '2026-10-28T16:13:50.587Z'
---

## Overview

GFI KerioConnect (Kerio Connect) Outlook Connector (Offline Edition), 'KOFF', before 10.0.9 Patch 2 contains a local privilege escalation vulnerability caused by weak installer permissions that leave the product directory writable by the built-in Users group. A local non-administrative attacker can replace the searchd.exe service binary used by the bundled KOFFIndexingService, which runs as LocalSystem, to execute arbitrary code with NT AUTHORITY\SYSTEM privileges upon the next service start or reboot.

## Affected

- `gfi_kerioconnect < 10.0.9p2`

## Remediation

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