CVE-2026-118346
published 2026-10-27CVE-2026-118346: Use after free in Compositing in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a…
PriorityP353high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.26%
18.4th percentile
Use after free in Compositing in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 156.0.8078.73 | 156.0.8078.73 | |
| chrome | >= 156.0.8078.73 < 156.0.8078.73 | 156.0.8078.73 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vendor_redhat8.8HIGH
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GHSA
Use after free in Compositing in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page.
ghsa_unreviewed·2026-10-28
CVE-2026-118346 CWE-416 Use after free in Compositing in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page.
Use after free in Compositing in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
VulDB
Google Chrome up to 156.0.8078.47 Compositing use after free
vuldb·2026-10-28
CVE-2026-118346 [CRITICAL] Google Chrome up to 156.0.8078.47 Compositing use after free
A vulnerability marked as critical has been reported in Google Chrome. This affects an unknown part of the component Compositing. This manipulation causes use after free.
This vulnerability is tracked as CVE-2026-118346. The attack is possible to be carried out remotely. No exploit exists.
It is suggested to upgrade the affected component.
Chrome
Stable Channel Update for Desktop: CVE-2026-118346
vendor_chrome·2026-10-27
CVE-2026-118346 [HIGH] Stable Channel Update for Desktop: CVE-2026-118346
Stable Channel Update for Desktop
CVE-2026-118346: Use after free in Compositing. Reported by Google on 2026-10-16 [N/A][ 574412629 ] High CVE-2026-118342: Out of bounds write in Editing
Reported by Google on 2026-10-16 [N/A][ 574516887 ] High CVE-2026-118310: Improper input validation in Views
Severity: high
Red Hat
chromium-browser: Use after free in Compositing
vendor_redhat·2026-10-27·CVSS 8.8
CVE-2026-118346 [HIGH] CWE-416 chromium-browser: Use after free in Compositing
chromium-browser: Use after free in Compositing
Use after free in Compositing in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
An use after free flaw was found in the Compositing component of the Chromium browser.
Upstream bug(s):
https://issues.chromium.org/issues/574382050
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
No detection rules found.
No public exploits indexed.
2026-10-27
Published