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  4. CVE 2026 112357 gfi kerioconnect koff 1009p2 privilege escalation
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Back to active CVEs
High · CVSS 8.5CVE-2026-112357

GFI KerioConnect KOFF < 10.0.9p2 Privilege EscalationCVE-2026-112357

Answer in brief

CVE-2026-112357 records a High severity (CVSS 8.5) vulnerability in GFI KerioConnect KOFF < 10.0.9p2 Privilege Escalation. The current sources do not mark it as known exploited. The current feed maps GFI USA, LLC/GFI KerioConnect (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 28, 2026Updated Oct 28, 2026Source checked Oct 28, 2026First seen by HOL Oct 28, 2026Material review Oct 28, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps GFI USA, LLC/GFI KerioConnect (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
GFI USA, LLC/GFI KerioConnectgeneric>=0 <10.0.9p210.0.9p2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for GFI USA, LLC/GFI KerioConnect.
  2. 2Review the reported fix. Update GFI USA, LLC/GFI KerioConnect to 10.0.9p2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 28, 2026

Sources and claim methodology

  • Source referencegfi.ai
  • Source referencevulncheck.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Privilege Escalation
EPSS
Not reported
CWE IDs
CWE-276
Source
CVE List V5
Source checked
Oct 28, 2026
References
2 linked sources
Open source record