Incorrect authorization in Isolated in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to spoof UI elements via a crafted HTML page. (CVE-2026-87540)
An incorrect authorization vulnerability in the Isolated component of Google Chrome versions prior to 153.0.8010.36 allows a remote attacker to spoof UI elements by crafting a malicious HTML page. This vulnerability is classified with medium severity by Chromium security. No CVSS score or patch information is currently available.
AI Analysis
Technical Summary
CVE-2026-87540 describes an incorrect authorization issue in the Isolated component of Google Chrome versions before 153.0.8010.36. This flaw enables a remote attacker to spoof user interface elements by delivering a specially crafted HTML page, potentially misleading users. The vulnerability is related to improper authorization checks (CWE-863). There is no detailed vendor advisory or patch information provided, and no known active exploitation has been reported.
Potential Impact
The vulnerability could allow remote attackers to spoof UI elements in affected versions of Google Chrome, potentially deceiving users into interacting with malicious content. However, the severity is rated medium, indicating limited impact or exploitability. No known exploits in the wild have been documented.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when interacting with untrusted web content. Monitor official Google Chrome security advisories for updates.
Incorrect authorization in Isolated in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to spoof UI elements via a crafted HTML page. (CVE-2026-87540)
Description
An incorrect authorization vulnerability in the Isolated component of Google Chrome versions prior to 153.0.8010.36 allows a remote attacker to spoof UI elements by crafting a malicious HTML page. This vulnerability is classified with medium severity by Chromium security. No CVSS score or patch information is currently available.
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-2026-87540 describes an incorrect authorization issue in the Isolated component of Google Chrome versions before 153.0.8010.36. This flaw enables a remote attacker to spoof user interface elements by delivering a specially crafted HTML page, potentially misleading users. The vulnerability is related to improper authorization checks (CWE-863). There is no detailed vendor advisory or patch information provided, and no known active exploitation has been reported.
Potential Impact
The vulnerability could allow remote attackers to spoof UI elements in affected versions of Google Chrome, potentially deceiving users into interacting with malicious content. However, the severity is rated medium, indicating limited impact or exploitability. No known exploits in the wild have been documented.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when interacting with untrusted web content. Monitor official Google Chrome security advisories for updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3c4p-4mfx-w9r8
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87540"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6aa15f94acd9273b49618c0b
Added to database: 09/09/2026, 13:31:00 UTC
Last enriched: 09/09/2026, 14:14:31 UTC
Last updated: 09/10/2026, 02:51:59 UTC
Views: 4
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