CVE-2026-110921

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-15 · updated 2026-10-19
Weakness: CWE-416

Description

Use after free in V8 in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Affected products

Google Chrome: before 155.0.8059.84 — fixed in 155.0.8059.84

How to fix

Upgrade to a fixed version: Google Chrome 155.0.8059.84. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_01886704284.html
https://issues.chromium.org/issues/569286602

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