CVE-2026-87645: 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: Medium)
CVSS v3.1
5.4medium
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87645 is an improper state validation vulnerability in the Safe Browsing feature of Google Chrome versions before 153.0.8010.36. This flaw permits a remote attacker to bypass system access restrictions via a specially crafted HTML page. The vulnerability is rated medium severity with a CVSS 3.1 base score of 5.4 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N). The issue was publicly disclosed and patched by Google in the stable channel update 153.0.8010.36.
Potential Impact
Successful exploitation allows a remote attacker to bypass system access restrictions, potentially leading to limited confidentiality and integrity impacts. There is no impact on availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A fix is available in Google Chrome version 153.0.8010.36. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory for details: https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 09/08/2026
- State
- PUBLISHED
- Vendor Advisory Urls
- [object Object]
Threat ID: 6aa0b196acd9273b49812b57
Added to database: 09/09/2026, 01:08:38 UTC
Last enriched: 09/16/2026, 01:35:52 UTC
Last updated: 10/24/2026, 08:45:13 UTC
Views: 77
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