CVE-2026-95343

chromium-browser: Use after free in WebAudio

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Published Sep 29, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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)

Analysis

AI-generated

Technical 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.

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

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6513-1 chromium security update
History
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
Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Use‑after‑Free in Chrome WebAudio Allows Remote Code Execution
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}
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'}
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
Earlier changes (2)
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Sep 30, 2026, 3:56 AM
Reserved
Sep 22, 2026, 5:09 AM

View source JSON

Updated
Sep 29, 2026, 6:52 PM

JSON

Status
Analyzed
Published
Sep 29, 2026, 6:17 PM
Modified
Sep 30, 2026, 4:27 PM

View source JSON

Severity
Important
Public date
Sep 29, 2026, 5:31 PM

View source Bugzilla JSON

Updated
Sep 30, 2026, 12:15 AM

JSON