Description
Use after free in WebAudio in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Published: 2026-09-29
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

Impact

An use‑after‑free flaw in Chrome’s WebAudio implementation allows a remote attacker to execute arbitrary code inside the browser sandbox by loading a crafted HTML page. This flaw is classified as a high‑severity vulnerability by Chromium.

Affected Systems

Google Chrome versions prior to 154.0.8037.57 are affected. The issue applies to all desktop releases of the Chrome browser up to that version.

Risk and Exploitability

The flaw carries a CVSS score of 8.8, indicating a serious risk. EPSS data is not available, and the vulnerability is not listed in CISA’s KEV catalog. The likely attack vector is a malicious web page that a user visits in the affected browser, which exploits the use‑after‑free to run code within the sandbox.

Generated by OpenCVE AI on September 30, 2026 at 00:01 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Upgrade to Chrome version 154.0.8037.57 or newer.
  • Ensure that Chrome’s automatic update mechanism is enabled so that future security patches are applied automatically.
  • As a temporary measure, disable the WebAudio API by setting site‑wide permissions or using the flag "chrome://flags/#disable-webaudio" until a patch is available.

Generated by OpenCVE AI on September 30, 2026 at 00:01 UTC.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DSA Debian DSA DSA-6513-1 chromium security update
History

Thu, 08 Oct 2026 12:15:00 +0000

Type Values Removed Values Added
Title Use‑after‑Free in Chrome WebAudio Allows Remote Code Execution chromium-browser: Use after free in WebAudio
References
Metrics threat_severity

None

 threat_severity

Important

Wed, 30 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Wed, 30 Sep 2026 00:30:00 +0000

Type Values Removed Values Added
Title Use‑after‑Free in Chrome WebAudio Allows Remote Code Execution

Tue, 29 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Tue, 29 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 29 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Tue, 29 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Description Use after free in WebAudio in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-416
References

Subscriptions

Google Chrome
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-30T03:56:48.845Z

Reserved: 2026-09-22T05:09:53.430Z

Link: CVE-2026-95343

cve-icon Vulnrichment

Updated: 2026-09-29T18:52:14.453Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-29T18:17:27.063

Modified: 2026-09-30T16:27:20.683

Link: CVE-2026-95343

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-29T17:31:42Z

Links: CVE-2026-95343 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T00:15:16Z

Weaknesses