How severe is CVE-2026-8586?

CVE-2026-8586 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-8586 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8586?

CVE-2026-8586 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-8586?

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

Does CVE-2026-8586 have an EU (EUVD) identifier?

Yes. CVE-2026-8586 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30408.

When was CVE-2026-8586 published?

CVE-2026-8586 was published on 2026-05-14 and last updated on 2026-06-17.

CVE-2026-8586

CVE-2026-8586 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 5.5. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30408
Weakness: CWE-284
Affected product: Google Chrome
Published: 2026-05-14
Last modified: 2026-06-17

Description

Inappropriate implementation in Chromoting in Google Chrome prior to 148.0.7778.168 allowed a local attacker to bypass discretionary access control via a malicious file. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2026-8586?: Inappropriate implementation in Chromoting in Google Chrome prior to 148.0.7778.168 allowed a local attacker to bypass discretionary access control via a malicious file. (Chromium security severity: Medium)
How severe is CVE-2026-8586?: CVE-2026-8586 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-8586 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8586?: CVE-2026-8586 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-8586?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8586 have an EU (EUVD) identifier?: Yes. CVE-2026-8586 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30408.
When was CVE-2026-8586 published?: CVE-2026-8586 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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