How severe is CVE-2018-8416?

CVE-2018-8416 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-8416 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8416?

CVE-2018-8416 affects Microsoft Asp.net Core. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8416?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-8416 published?

CVE-2018-8416 was published on 2018-11-14 and last updated on 2026-06-17.

CVE-2018-8416

CVE-2018-8416 is a medium-severity vulnerability in Microsoft Asp.net Core with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Asp.net Core
Published: 2018-11-14
Last modified: 2026-06-17

Description

A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka ".NET Core Tampering Vulnerability." This affects .NET Core 2.1.

Frequently asked questions

What is CVE-2018-8416?: A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka ".NET Core Tampering Vulnerability." This affects .NET Core 2.1.
How severe is CVE-2018-8416?: CVE-2018-8416 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-8416 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8416?: CVE-2018-8416 affects Microsoft Asp.net Core. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8416?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-8416 published?: CVE-2018-8416 was published on 2018-11-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:*

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