How severe is CVE-2018-8370?

CVE-2018-8370 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-8370 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8370?

CVE-2018-8370 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8370?

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

When was CVE-2018-8370 published?

CVE-2018-8370 was published on 2018-08-15 and last updated on 2026-06-17.

CVE-2018-8370

CVE-2018-8370 is a low-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 3.1. 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-200.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
CVSS v2: 4.3
EPSS exploit prediction: 5% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Microsoft Edge
Published: 2018-08-15
Last modified: 2026-06-17

Description

A information disclosure vulnerability exists when WebAudio Library improperly handles audio requests, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge.

Frequently asked questions

What is CVE-2018-8370?: A information disclosure vulnerability exists when WebAudio Library improperly handles audio requests, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge.
How severe is CVE-2018-8370?: CVE-2018-8370 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-8370 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8370?: CVE-2018-8370 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8370?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-8370 published?: CVE-2018-8370 was published on 2018-08-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*

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