How severe is CVE-2018-12245?

CVE-2018-12245 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-2018-12245 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12245?

CVE-2018-12245 affects Symantec Endpoint Protection. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12245?

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-2018-12245 published?

CVE-2018-12245 was published on 2018-11-29 and last updated on 2026-06-17.

CVE-2018-12245

CVE-2018-12245 is a high-severity vulnerability in Symantec Endpoint Protection 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% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Affected product: Symantec Endpoint Protection
Published: 2018-11-29
Last modified: 2026-06-17

Description

Symantec Endpoint Protection prior to 14.2 MP1 may be susceptible to a DLL Preloading vulnerability, which in this case is an issue that can occur when an application being installed unintentionally loads a DLL provided by a potential attacker. Note that this particular type of exploit only manifests at install time; no remediation is required for software that has already been installed. This issue only impacted the Trialware media for Symantec Endpoint Protection, which has since been updated.

Frequently asked questions

What is CVE-2018-12245?: Symantec Endpoint Protection prior to 14.2 MP1 may be susceptible to a DLL Preloading vulnerability, which in this case is an issue that can occur when an application being installed unintentionally loads a DLL provided by a potential attacker. Note that this particular type of exploit only manifests at install time; no remediation is required for software that has already been installed. This issue only impacted the Trialware media for Symantec Endpoint Protection, which has since been updated.
How severe is CVE-2018-12245?: CVE-2018-12245 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-2018-12245 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12245?: CVE-2018-12245 affects Symantec Endpoint Protection. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12245?: 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-2018-12245 published?: CVE-2018-12245 was published on 2018-11-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:symantec:endpoint_protection:*:*:*:*:*:*:*:*

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