How severe is CVE-2026-8565?

CVE-2026-8565 has a CVSS 3.x base score of 4.7, rated medium 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 low.

Is CVE-2026-8565 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8565?

CVE-2026-8565 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-8565?

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

Does CVE-2026-8565 have an EU (EUVD) identifier?

Yes. CVE-2026-8565 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30384.

When was CVE-2026-8565 published?

CVE-2026-8565 was published on 2026-05-14 and last updated on 2026-06-17.

CVE-2026-8565

CVE-2026-8565 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 4.7. 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-451.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30384
Weakness: CWE-451
Affected product: Google Chrome
Published: 2026-05-14
Last modified: 2026-06-17

Description

Inappropriate implementation in Downloads in Google Chrome on Mac prior to 148.0.7778.168 allowed an attacker who convinced a user to install a malicious extension to perform UI spoofing via a crafted Chrome Extension. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2026-8565?: Inappropriate implementation in Downloads in Google Chrome on Mac prior to 148.0.7778.168 allowed an attacker who convinced a user to install a malicious extension to perform UI spoofing via a crafted Chrome Extension. (Chromium security severity: Medium)
How severe is CVE-2026-8565?: CVE-2026-8565 has a CVSS 3.x base score of 4.7, rated medium 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 low.
Is CVE-2026-8565 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8565?: CVE-2026-8565 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-8565?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8565 have an EU (EUVD) identifier?: Yes. CVE-2026-8565 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30384.
When was CVE-2026-8565 published?: CVE-2026-8565 was published on 2026-05-14 and last updated on 2026-06-17.

References

Affected products (1)

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

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