How severe is CVE-2026-36574?

CVE-2026-36574 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-36574 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-36574?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-36574 have an EU (EUVD) identifier?

Yes. CVE-2026-36574 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34098.

When was CVE-2026-36574 published?

CVE-2026-36574 was published on 2026-06-03 and last updated on 2026-06-17.

CVE-2026-36574

CVE-2026-36574 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34098
Weakness: CWE-427
Published: 2026-06-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-36574?: CVE-2026-36574 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-36574 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-36574?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-36574 have an EU (EUVD) identifier?: Yes. CVE-2026-36574 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34098.
When was CVE-2026-36574 published?: CVE-2026-36574 was published on 2026-06-03 and last updated on 2026-06-17.

References

Other CWE-427 (Uncontrolled Search Path Element) vulnerabilities

CVE-2025-4981 — Critical (CVSS 9.9): Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to…
CVE-2025-69599 — Critical (CVSS 9.8): RayVentory Scan Engine through 12.6 Update 8 allows attackers to gain privileges if they control the value of the PATH…
CVE-2019-25268 — Critical (CVSS 9.8): NREL BEopt 2.8.0.0 contains a DLL hijacking vulnerability that allows attackers to load arbitrary libraries by tricking…
CVE-2023-53959 — Critical (CVSS 9.8): FileZilla Client 3.63.1 contains a DLL hijacking vulnerability that allows attackers to execute malicious code by…
CVE-2025-65741 — Critical (CVSS 9.8): Sublime Text 3 Build 3208 or prior for MacOS is vulnerable to Dylib Injection. An attacker could compile a .dylib file…
CVE-2024-23054 — Critical (CVSS 9.8): An issue in Plone Docker Official Image 5.2.13 (5221) open-source software that could allow for remote code execution…

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