How severe is CVE-2018-8112?

CVE-2018-8112 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-8112 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8112?

CVE-2018-8112 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8112?

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

When was CVE-2018-8112 published?

CVE-2018-8112 was published on 2018-05-09 and last updated on 2026-06-17.

CVE-2018-8112

CVE-2018-8112 is a medium-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 4.3. 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-346.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-346
Affected product: Microsoft Edge
Published: 2018-05-09
Last modified: 2026-06-17

Description

A security feature bypass vulnerability exists when Microsoft Edge improperly handles requests of different origins, aka "Microsoft Edge Security Feature Bypass Vulnerability." This affects Microsoft Edge.

Frequently asked questions

What is CVE-2018-8112?: A security feature bypass vulnerability exists when Microsoft Edge improperly handles requests of different origins, aka "Microsoft Edge Security Feature Bypass Vulnerability." This affects Microsoft Edge.
How severe is CVE-2018-8112?: CVE-2018-8112 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-8112 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8112?: CVE-2018-8112 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8112?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-8112 published?: CVE-2018-8112 was published on 2018-05-09 and last updated on 2026-06-17.

References

Affected products (1)

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

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