CVE-2018-7687

CVE-2018-7687 is a high-severity vulnerability in Microfocus Client 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-119.

Key facts

Description

The Micro Focus Client for OES before version 2 SP4 IR8a has a vulnerability that could allow a local attacker to elevate privileges via a buffer overflow in ncfsd.sys.

Frequently asked questions

What is CVE-2018-7687?
The Micro Focus Client for OES before version 2 SP4 IR8a has a vulnerability that could allow a local attacker to elevate privileges via a buffer overflow in ncfsd.sys.
How severe is CVE-2018-7687?
CVE-2018-7687 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7687 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7687?
CVE-2018-7687 primarily affects Microfocus Client. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-7687?
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-2018-7687 published?
CVE-2018-7687 was published on 2018-05-21 and last updated on 2026-06-17.

References

Affected products (2)

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