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UK Cyber Defence
VulnerabilityDeferred

CVE-2026-36574

A DLL hijacking vulnerability in Wassimulator (GitHub) CactusViewer v2.3.0 allows attackers to escalate privileges and execute arbitrary code via a crafted DLL.

HIGH 7.8EPSS 0.14%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A DLL hijacking vulnerability in Wassimulator (GitHub) CactusViewer v2.3.0 allows attackers to escalate privileges and execute arbitrary code via a crafted DLL.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.14% probability · 3th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-427
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 0.14%27 October 202627 October 2026

EPSS 0.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.