CVE-2026-118356
published 2026-10-27CVE-2026-118356: Use after free in WTF 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…
PriorityP354high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.26%
18.4th percentile
Use after free in WTF 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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VulDB
Google Chrome up to 156.0.8078.47 WTF use after free
vuldb·2026-10-28
CVE-2026-118356 [CRITICAL] Google Chrome up to 156.0.8078.47 WTF use after free
A vulnerability identified as critical has been detected in Google Chrome. This vulnerability affects unknown code of the component WTF. This manipulation causes use after free.
The identification of this vulnerability is CVE-2026-118356. It is possible to initiate the attack remotely. There is no exploit available.
You should upgrade the affected component.
GHSA
Use after free in WTF 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-2026-118356 CWE-416 Use after free in WTF 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 WTF 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)
Chrome
Stable Channel Update for Desktop: CVE-2026-118315
vendor_chrome·2026-10-27
CVE-2026-118315 [HIGH] Stable Channel Update for Desktop: CVE-2026-118315
Stable Channel Update for Desktop
CVE-2026-118315: Improper input validation in SVG. Reported by Arni Hardarson (Neonix Security) on 2026-10-18 [TBD][ 575851252 ] High CVE-2026-118356: Use after free in WTF
Reported by malichamdan on 2026-10-20 [N/A][ 576133777 ] High CVE-2026-118309: Improper input validation in UI
Severity: high
Red Hat
chromium-browser: Use after free in WTF
vendor_redhat·2026-10-27·CVSS 8.8
CVE-2026-118356 [HIGH] CWE-416 chromium-browser: Use after free in WTF
chromium-browser: Use after free in WTF
Use after free in WTF 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 WTF component of the Chromium browser.
Upstream bug(s):
https://issues.chromium.org/issues/575851252
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