How severe is CVE-2026-8005?

CVE-2026-8005 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-8005 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-2026-8005?

CVE-2026-8005 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-8005?

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

Does CVE-2026-8005 have an EU (EUVD) identifier?

Yes. CVE-2026-8005 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28113.

When was CVE-2026-8005 published?

CVE-2026-8005 was published on 2026-05-06 and last updated on 2026-06-17.

CVE-2026-8005

CVE-2026-8005 is a medium-severity vulnerability in Google Chrome 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28113
Weakness: CWE-20
Affected product: Google Chrome
Published: 2026-05-06
Last modified: 2026-06-17

Description

Insufficient validation of untrusted input in Cast in Google Chrome prior to 148.0.7778.96 allowed an attacker on the local network segment to bypass same origin policy via malicious network traffic. (Chromium security severity: Low)

Frequently asked questions

What is CVE-2026-8005?: Insufficient validation of untrusted input in Cast in Google Chrome prior to 148.0.7778.96 allowed an attacker on the local network segment to bypass same origin policy via malicious network traffic. (Chromium security severity: Low)
How severe is CVE-2026-8005?: CVE-2026-8005 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-8005 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-2026-8005?: CVE-2026-8005 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-8005?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8005 have an EU (EUVD) identifier?: Yes. CVE-2026-8005 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28113.
When was CVE-2026-8005 published?: CVE-2026-8005 was published on 2026-05-06 and last updated on 2026-06-17.

References

Affected products (1)

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

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