Improper input validation in Interstitials in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to spoof UI elements via a crafted HTML… (CVE-2026-87599)
A vulnerability in Google Chrome prior to version 153.0.8010.36 allows remote attackers to spoof user interface elements by exploiting improper input validation in interstitial pages. This flaw could enable attackers to craft HTML pages that mislead users by displaying deceptive UI components. The issue is classified with medium severity by Chromium security.
AI Analysis
Technical Summary
CVE-2026-87599 is an input validation vulnerability affecting interstitial pages in Google Chrome versions before 153.0.8010.36. Improper validation of input allowed remote attackers to create crafted HTML content that spoofs UI elements, potentially misleading users during security or warning interstitials. The vulnerability is categorized under CWE-20 (Improper Input Validation). No CVSS score or detailed exploit information is available, and no known exploits are reported in the wild.
Potential Impact
The vulnerability could allow attackers to spoof UI elements in Chrome interstitials, potentially deceiving users into trusting malicious content or ignoring security warnings. This could reduce the effectiveness of security interstitials designed to protect users from harmful sites or content. However, no active exploitation has been reported.
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. Since this is a client-side browser issue, applying the official update is the recommended mitigation.
Improper input validation in Interstitials in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to spoof UI elements via a crafted HTML… (CVE-2026-87599)
Description
A vulnerability in Google Chrome prior to version 153.0.8010.36 allows remote attackers to spoof user interface elements by exploiting improper input validation in interstitial pages. This flaw could enable attackers to craft HTML pages that mislead users by displaying deceptive UI components. The issue is classified with medium severity by Chromium security.
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87599 is an input validation vulnerability affecting interstitial pages in Google Chrome versions before 153.0.8010.36. Improper validation of input allowed remote attackers to create crafted HTML content that spoofs UI elements, potentially misleading users during security or warning interstitials. The vulnerability is categorized under CWE-20 (Improper Input Validation). No CVSS score or detailed exploit information is available, and no known exploits are reported in the wild.
Potential Impact
The vulnerability could allow attackers to spoof UI elements in Chrome interstitials, potentially deceiving users into trusting malicious content or ignoring security warnings. This could reduce the effectiveness of security interstitials designed to protect users from harmful sites or content. However, no active exploitation has been reported.
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. Since this is a client-side browser issue, applying the official update is the recommended mitigation.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-487p-m6q4-m527
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87599"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6aa15f91acd9273b49618aa5
Added to database: 09/09/2026, 13:30:57 UTC
Last enriched: 09/09/2026, 14:06:57 UTC
Last updated: 09/09/2026, 18:52:00 UTC
Views: 2
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