How severe is CVE-2026-11276?

CVE-2026-11276 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-11276 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-2026-11276?

CVE-2026-11276 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-11276?

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

Does CVE-2026-11276 have an EU (EUVD) identifier?

Yes. CVE-2026-11276 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34737.

When was CVE-2026-11276 published?

CVE-2026-11276 was published on 2026-06-05 and last updated on 2026-06-17.

CVE-2026-11276

CVE-2026-11276 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 5.1. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 5.1)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34737
Weakness: CWE-269
Affected product: Google Chrome
Published: 2026-06-05
Last modified: 2026-06-17

Description

Inappropriate implementation in Cast in Google Chrome prior to 149.0.7827.53 allowed an attacker on the local network segment to bypass discretionary access control via malicious network traffic. (Chromium security severity: Low)

Frequently asked questions

What is CVE-2026-11276?: Inappropriate implementation in Cast in Google Chrome prior to 149.0.7827.53 allowed an attacker on the local network segment to bypass discretionary access control via malicious network traffic. (Chromium security severity: Low)
How severe is CVE-2026-11276?: CVE-2026-11276 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-11276 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-2026-11276?: CVE-2026-11276 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-11276?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-11276 have an EU (EUVD) identifier?: Yes. CVE-2026-11276 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34737.
When was CVE-2026-11276 published?: CVE-2026-11276 was published on 2026-06-05 and last updated on 2026-06-17.

References

Affected products (1)

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

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