CVE-2026-87656: Improper state validation in Google Chrome
Description
Improper state validation in Safebrowsing in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)
CVSS v3.1
Score 5.4medium
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2026-87656, affects Google Chrome versions before 153.0.8010.36. It is caused by improper state validation within the Safebrowsing feature, which could be exploited remotely via a crafted HTML page to bypass system access restrictions. The CVSS 3.1 base score is 5.4 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N), indicating that an attacker requires user interaction but no privileges and can cause limited confidentiality and integrity impact. The issue is publicly known and documented by Google with an official stable channel update to fix it.
Potential Impact
An attacker can remotely bypass system access restrictions by exploiting improper state validation in Safebrowsing. This could lead to limited unauthorized access to system resources or data confidentiality and integrity compromise. There is no impact on system availability. No active exploitation has been reported.
Mitigation Recommendations
Google has released an official stable channel update for Chrome that addresses this vulnerability. Users and administrators should update Google Chrome to version 153.0.8010.36 or later to remediate this issue. No additional mitigation is required once the update is applied.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:44:23.155Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b198acd9273b49812b85
Added to database: 09/09/2026, 01:08:40 UTC
Last enriched: 09/17/2026, 01:06:45 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 89
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