How severe is CVE-2018-7799?

CVE-2018-7799 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-2018-7799 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7799?

CVE-2018-7799 affects Schneider-electric Software Update Utility. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7799?

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-2018-7799 published?

CVE-2018-7799 was published on 2018-11-02 and last updated on 2026-06-17.

CVE-2018-7799

CVE-2018-7799 is a high-severity vulnerability in Schneider-electric Software Update Utility 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)
CVSS v2: 9.3
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Schneider-electric Software Update Utility
Published: 2018-11-02
Last modified: 2026-06-17

Description

A DLL hijacking vulnerability exists in Schneider Electric Software Update (SESU), all versions prior to V2.2.0, which could allow an attacker to execute arbitrary code on the targeted system when placing a specific DLL file.

Frequently asked questions

What is CVE-2018-7799?: A DLL hijacking vulnerability exists in Schneider Electric Software Update (SESU), all versions prior to V2.2.0, which could allow an attacker to execute arbitrary code on the targeted system when placing a specific DLL file.
How severe is CVE-2018-7799?: CVE-2018-7799 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-2018-7799 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7799?: CVE-2018-7799 affects Schneider-electric Software Update Utility. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7799?: 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-2018-7799 published?: CVE-2018-7799 was published on 2018-11-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:schneider-electric:software_update_utility:*:*:*:*:*:*:*:*

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