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CVE-2026-9881

Google Chrome use-after-free

9.0 CRITICALEPSS 0.28%
  1. Published28 May 2026

Description

Use after free in Bluetooth in Google Chrome on Mac prior to 148.0.7778.216 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension. (Chromium security severity: Critical)

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Google Chrome< 148.0.7778.216

Remediation

Fixed in
Google Chrome≥ 148.0.7778.216

References

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Frequently asked

Is CVE-2026-9881 being actively exploited?

CVE-2026-9881 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.28%.

How severe is CVE-2026-9881?

CVE-2026-9881 has a CVSS 3.1 base score of 9.0, rated critical. EPSS estimates a 0.28% probability of exploitation.

Which products are affected by CVE-2026-9881?

Affected products include Google Chrome.

How do I fix CVE-2026-9881?

Upgrade affected software to a fixed version, for example Google Chrome 148.0.7778.216 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-9881 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.