HOMEVULNERABILITIESCVE-2023-36657
CRITICAL

CVE-2023-36657

CWE-269Published: September 15, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

An issue was discovered in OPSWAT MetaDefender KIOSK 4.6.1.9996. Built-in features of Windows (desktop shortcuts, narrator) can be abused for privilege escalation.

NVD Source

Risk Analysis

OPSWAT MetaDefender KIOSK contains a vulnerability where built-in Windows features can be abused to escalate privileges. Given the critical CVSS score of 9.8 and the ability for remote exploitation with low complexity, this flaw poses a significant risk to system integrity.

There is no known public exploit for this vulnerability, and it is not currently listed in the CISA KEV catalog.

Recommended Action

Users should update to the latest version of OPSWAT MetaDefender KIOSK and apply standard Windows hardening to restrict access to desktop shortcuts and accessibility features.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-36657 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

opswat1 product(s)
metadefender kiosk
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

https://docs.opswat.com/mdkioskProduct · Release Notes
https://docs.opswat.com/mdkioskProduct · Release Notes

Quick Facts

CVE IDCVE-2023-36657
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-269
CISA KEVNo
Affected1 vendor(s)
PublishedSep 15, 2023

Related CVEs (CWE-269)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-36657 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.