How severe is CVE-2026-8548?

CVE-2026-8548 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-8548 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8548?

CVE-2026-8548 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-8548?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-8548 have an EU (EUVD) identifier?

Yes. CVE-2026-8548 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30460.

When was CVE-2026-8548 published?

CVE-2026-8548 was published on 2026-05-14 and last updated on 2026-06-17.

CVE-2026-8548

CVE-2026-8548 is a high-severity vulnerability in Google Chrome with a CVSS 3.x base score of 8.3. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30460
Weakness: CWE-787
Affected product: Google Chrome
Published: 2026-05-14
Last modified: 2026-06-17

Description

Out of bounds write in Media in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Frequently asked questions

What is CVE-2026-8548?: Out of bounds write in Media in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-8548?: CVE-2026-8548 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-8548 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8548?: CVE-2026-8548 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-8548?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-8548 have an EU (EUVD) identifier?: Yes. CVE-2026-8548 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30460.
When was CVE-2026-8548 published?: CVE-2026-8548 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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