How severe is CVE-2026-11266?

CVE-2026-11266 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-11266 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-11266?

CVE-2026-11266 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-11266?

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

Does CVE-2026-11266 have an EU (EUVD) identifier?

Yes. CVE-2026-11266 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34727.

When was CVE-2026-11266 published?

CVE-2026-11266 was published on 2026-06-05 and last updated on 2026-06-17.

CVE-2026-11266

CVE-2026-11266 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-693.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34727
Weakness: CWE-693
Affected product: Google Chrome
Published: 2026-06-05
Last modified: 2026-06-17

Description

Inappropriate implementation in SafeBrowsing in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass Safe Browsing via a malicious file. (Chromium security severity: Low)

Frequently asked questions

What is CVE-2026-11266?: Inappropriate implementation in SafeBrowsing in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass Safe Browsing via a malicious file. (Chromium security severity: Low)
How severe is CVE-2026-11266?: CVE-2026-11266 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-11266 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-11266?: CVE-2026-11266 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-11266?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-11266 have an EU (EUVD) identifier?: Yes. CVE-2026-11266 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34727.
When was CVE-2026-11266 published?: CVE-2026-11266 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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