CVE-2026-84334

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-02 · updated 2026-09-03
Weakness: CWE-863

Description

Incorrect authorization in Chromoting in Google Chrome on on Windows prior to 152.0.7977.75 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Medium)

Affected products

Google Chrome: before 152.0.7977.75 — fixed in 152.0.7977.75

How to fix

Upgrade to a fixed version: Google Chrome 152.0.7977.75. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/517798926

Get alerted when CVE-2026-84334 or the next vulnerability affects your stack