CVE-2026-6311

Severity: high (CVSS 8.3 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: 2026-04-15 · updated 2026-10-26
Weakness: CWE-457

Description

Uninitialized Use in Accessibility in Google Chrome on Windows prior to 147.0.7727.101 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)

Affected products

Google Chrome: before 147.0.7727.101 — fixed in 147.0.7727.101

How to fix

Upgrade to a fixed version: Google Chrome 147.0.7727.101. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html
https://issues.chromium.org/issues/498201025

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