CVE-2026-9989
Undergoing Analysis Undergoing Analysis - In Progress
Inappropriate Implementation in Google Chrome Media Allows Same Origin Policy Bypass

Publication date: 2026-05-28

Last updated on: 2026-06-01

Assigner: Chrome

Description
Inappropriate implementation in Media in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to bypass same origin policy via a crafted video file. (Chromium security severity: High)
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-05-28
Last Modified
2026-06-01
Generated
2026-06-19
AI Q&A
2026-05-29
EPSS Evaluated
2026-06-18
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
google chrome to 148.0.7778.216 (exc)
google chrome to 148.0.7778.215 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-346 The product does not properly verify that the source of data or communication is valid.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is an inappropriate implementation in the Media component of Google Chrome versions prior to 148.0.7778.216. It allows a remote attacker to bypass the same origin policy by using a specially crafted video file.

Impact Analysis

By bypassing the same origin policy, a remote attacker could potentially access or manipulate data from other origins that should be restricted, leading to unauthorized data access or other security breaches.

Mitigation Strategies

To mitigate this vulnerability, update Google Chrome to version 148.0.7778.216 or later, as the issue is fixed in that version.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-9989. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart