CVE-2026-118328
published 2026-10-27CVE-2026-118328: Improper input validation in WebRTC in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox…
PriorityP353high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.40%
34.3th percentile
Improper input validation in WebRTC 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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VulDB
Google Chrome up to 156.0.8078.47 WebRTC input validation
vuldb·2026-10-28
CVE-2026-118328 [CRITICAL] Google Chrome up to 156.0.8078.47 WebRTC input validation
A vulnerability labeled as critical has been found in Google Chrome. This impacts an unknown function of the component WebRTC. Executing a manipulation can lead to improper input validation.
This vulnerability is tracked as CVE-2026-118328. The attack can be launched remotely. No exploit exists.
The affected component should be upgraded.
GHSA
Improper input validation in WebRTC 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-2026-118328 CWE-20 Improper input validation in WebRTC 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.
Improper input validation in WebRTC 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)
Chrome
Stable Channel Update for Desktop: CVE-2026-118328
vendor_chrome·2026-10-27
CVE-2026-118328 [HIGH] Stable Channel Update for Desktop: CVE-2026-118328
Stable Channel Update for Desktop
CVE-2026-118328: Improper input validation in WebRTC. Reported by Mozilla on 2026-10-07 [N/A][ 571147583 ] High CVE-2026-118333: Missing authorization in Video
Reported by Xinyang Ge (Anthropic), assisted by Claude on 2026-10-07 [TBD][ 572111820 ] High CVE-2026-118336: Improper input validation in Headless
Severity: high
Red Hat
chromium-browser: Improper input validation in WebRTC
vendor_redhat·2026-10-27·CVSS 8.8
CVE-2026-118328 [HIGH] CWE-20 chromium-browser: Improper input validation in WebRTC
chromium-browser: Improper input validation in WebRTC
Improper input validation in WebRTC 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 improper input validation flaw was found in the WebRTC component of the Chromium browser.
Upstream bug(s):
https://issues.chromium.org/issues/570927027
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