CVE-2026-78900: Improper input validation in Google Chrome
Description
CVE-2026-78900 is a critical vulnerability in Google Chrome affecting versions prior to 152.0.7977.65. It involves improper input validation in the Media component, which could allow a remote attacker to execute arbitrary code outside the browser sandbox via a crafted HTML page. The vulnerability has a high CVSS score of 9.6, indicating severe impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 9.6critical
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's Media component arises from improper input validation, enabling remote code execution outside the sandbox when processing crafted HTML content. The flaw affects Chrome versions before 152.0.7977.65. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code outside the sandbox, compromising the affected system's security and potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
A fixed version, 152.0.7977.65, is available. Users and administrators should update Google Chrome to version 152.0.7977.65 or later to remediate this vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html for details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:03:57.486Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9b5acd9273b49ac6d53
Added to database: 08/25/2026, 20:23:17 UTC
Last enriched: 09/10/2026, 01:07:31 UTC
Last updated: 10/10/2026, 06:48:19 UTC
Views: 34
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