Vulnerability in Google Chrome
CVE-2026-106409
Incorrect reference resolution in WebAppInstalls in Google Chrome on on Mac prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Medium)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0864717… (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/559097675 (Permissions Required)
Frequently asked questions
- What is CVE-2026-106409?
- CVE-2026-106409 is a high-severity vulnerability in Google Chrome, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 8.3/10. Published 2026-10-06.
- How severe is CVE-2026-106409?
- High severity. CVSS v3 base score is 8.3 out of 10.