Description
Incorrect authorization in MediaCapture in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to obtain cross-origin data via a crafted Chrome extension. (Chromium security severity: Medium)
Published: 2026-09-29
Score: 3.1 Low
EPSS: < 1% Very Low
KEV: No
Impact: Cross-Origin Data Leakage
Action: Update Browser
AI Analysis

Impact

This vulnerability is an incorrect authorization check within Chrome's MediaCapture module. It allows a maliciously crafted Chrome extension to read cross‑origin data that it would normally be denied. The weakness is identified as CWE‑863, an authorization flaw that permits privileged actions without proper checks.

Affected Systems

All installations of Google Chrome prior to version 154.0.8037.57, including the stable channel for desktop users, are affected.

Risk and Exploitability

The CVSS score of 3.1 indicates a low severity impact. The EPSS score is not available. The vulnerability is not listed in the CISA KEV catalog. The likely attack vector is a social engineering trick that causes a user to install a crafted Chrome extension, which can then read cross‑origin data that would normally be protected.

Generated by OpenCVE AI on September 30, 2026 at 08:35 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Install the latest Chrome update (154.0.8037.57 or newer).
  • Limit extension installations to those approved in the Chrome Web Store and review requested permissions before installation.
  • Apply enterprise policies to block or restrict extensions that request high‑privilege permissions.

Generated by OpenCVE AI on September 30, 2026 at 08:35 UTC.

Tracking

Sign in to view the affected projects.

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

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

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

Wed, 30 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: chromium-browser: Incorrect authorization in MediaCapture
Weaknesses CWE-346
References
Metrics threat_severity

None

threat_severity

Moderate


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

Type Values Removed Values Added
Metrics cvssV3_1

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

ssvc

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


Tue, 29 Sep 2026 19:45:00 +0000

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

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

Type Values Removed Values Added
Description Incorrect authorization in MediaCapture in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to obtain cross-origin data via a crafted Chrome extension. (Chromium security severity: Medium)
Weaknesses CWE-863
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-29T19:18:00.542Z

Reserved: 2026-09-22T05:08:44.573Z

Link: CVE-2026-95317

cve-icon Vulnrichment

Updated: 2026-09-29T19:17:55.324Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-29T18:17:23.937

Modified: 2026-09-30T16:29:27.010

Link: CVE-2026-95317

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-29T17:31:48Z

Links: CVE-2026-95317 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T08:45:16Z

Weaknesses