How severe is CVE-2019-5911?

CVE-2019-5911 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-2019-5911 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5911?

CVE-2019-5911 affects Micco Unlha32.dll. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-5911?

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.

When was CVE-2019-5911 published?

CVE-2019-5911 was published on 2019-02-13 and last updated on 2026-06-17.

CVE-2019-5911

CVE-2019-5911 is a high-severity vulnerability in Micco Unlha32.dll 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-426.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Affected product: Micco Unlha32.dll
Published: 2019-02-13
Last modified: 2026-06-17

Description

Untrusted search path vulnerability in the installer of UNLHA32.DLL (UNLHA32.DLL for Win32 Ver 2.67.1.2 and earlier) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

Frequently asked questions

What is CVE-2019-5911?: Untrusted search path vulnerability in the installer of UNLHA32.DLL (UNLHA32.DLL for Win32 Ver 2.67.1.2 and earlier) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.
How severe is CVE-2019-5911?: CVE-2019-5911 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-2019-5911 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5911?: CVE-2019-5911 affects Micco Unlha32.dll. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5911?: 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.
When was CVE-2019-5911 published?: CVE-2019-5911 was published on 2019-02-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:micco:unlha32.dll:*:*:*:*:*:*:*:*

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