CVE-2026-78907: Incorrect authorization in Google Chrome
Description
CVE-2026-78907 is a medium severity vulnerability in Google Chrome prior to version 152.0.7977.65. It involves incorrect authorization in the WebProtect component, which could allow a remote attacker to leak sensitive information via a crafted HTML page. The vulnerability does not affect integrity or availability but impacts confidentiality. A fix is available in Chrome version 152.0.7977.65.
CVSS v3.1
Score 6.5medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-78907) affects Google Chrome's WebProtect feature in versions before 152.0.7977.65. Due to incorrect authorization checks, a remote attacker can craft a malicious HTML page that causes sensitive information leakage. The CVSS 3.1 base score is 6.5 (medium), with attack vector network, low attack complexity, no privileges required, user interaction required, and confidentiality impact high. The vendor has released an official fix in version 152.0.7977.65 as noted in the Google Chrome stable channel update advisory.
Potential Impact
Successful exploitation allows remote attackers to leak sensitive information from the affected Chrome browser without requiring privileges, potentially exposing confidential data. There is no impact on integrity or availability.
Mitigation Recommendations
Users should update Google Chrome to version 152.0.7977.65 or later to remediate this vulnerability. The vendor has provided an official fix. No additional mitigation steps are required beyond applying this update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:04:02.387Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9b7acd9273b49ac6d73
Added to database: 08/25/2026, 20:23:19 UTC
Last enriched: 09/10/2026, 17:23:43 UTC
Last updated: 10/10/2026, 06:48:19 UTC
Views: 42
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