CVE-2026-118347
published 2026-10-27CVE-2026-118347: Use after free in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML…
PriorityP354high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.26%
18.4th percentile
Use after free in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to 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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Red Hat
chromium-browser: Use after free in FileSystem
vendor_redhat·2026-10-27·CVSS 8.8
CVE-2026-118347 [HIGH] CWE-416 chromium-browser: Use after free in FileSystem
chromium-browser: Use after free in FileSystem
Use after free in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
An use after free flaw was found in the FileSystem component of the Chromium browser.
Upstream bug(s):
https://issues.chromium.org/issues/574911589
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-118347
vendor_chrome·2026-10-27
CVE-2026-118347 [HIGH] Stable Channel Update for Desktop: CVE-2026-118347
Stable Channel Update for Desktop
CVE-2026-118347: Use after free in FileSystem. Reported by Google on 2026-10-17 [N/A][ 574911701 ] High CVE-2026-118341: Use after free in Modularization
Reported by Google on 2026-10-17 [N/A][ 575090745 ] High CVE-2026-118330: Use after free in Browser
Severity: high
GHSA
Use after free in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page.
ghsa_unreviewed·2026-10-28
CVE-2026-118347 CWE-416 Use after free in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page.
Use after free in FileSystem in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
VulDB
Google Chrome up to 156.0.8078.47 FileSystem use after free
vuldb·2026-10-28
CVE-2026-118347 [CRITICAL] Google Chrome up to 156.0.8078.47 FileSystem use after free
A vulnerability classified as critical was found in Google Chrome. Impacted is an unknown function of the component FileSystem. Executing a manipulation can lead to use after free.
This vulnerability is registered as CVE-2026-118347. It is possible to launch the attack remotely. No exploit is available.
Upgrading the affected component is advised.
No detection rules found.
No public exploits indexed.
2026-10-27
Published