How severe is CVE-2018-16080?

CVE-2018-16080 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-16080 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16080?

CVE-2018-16080 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16080?

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

When was CVE-2018-16080 published?

CVE-2018-16080 was published on 2019-01-09 and last updated on 2026-06-17.

CVE-2018-16080

CVE-2018-16080 is a medium-severity vulnerability in Google Chrome 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Google Chrome
Published: 2019-01-09
Last modified: 2026-06-17

Description

A missing check for popup window handling in Fullscreen in Google Chrome on macOS prior to 69.0.3497.81 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Frequently asked questions

What is CVE-2018-16080?: A missing check for popup window handling in Fullscreen in Google Chrome on macOS prior to 69.0.3497.81 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.
How severe is CVE-2018-16080?: CVE-2018-16080 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-16080 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16080?: CVE-2018-16080 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16080?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-16080 published?: CVE-2018-16080 was published on 2019-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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