Missing authorization in Browser in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a… (CVE-2026-87556)
A missing authorization vulnerability in the Browser component of Google Chrome versions prior to 153.0.8010.36 allows a remote attacker to bypass system access restrictions by using a crafted HTML page. The issue is classified with medium severity by Chromium security. No CVSS score or detailed vendor advisory is currently available, and no exploits are known in the wild.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-87556) involves a missing authorization check in the Browser component of Google Chrome before version 153.0.8010.36. An attacker can exploit this flaw by crafting a malicious HTML page that bypasses system access restrictions, potentially allowing unauthorized actions within the browser context. The vulnerability is categorized under CWE-862 (Missing Authorization). There is no public CVSS score or detailed patch information available at this time.
Potential Impact
The impact is a bypass of system access restrictions within the browser, which could lead to unauthorized access or actions in the affected Chrome versions. The severity is assessed as medium by Chromium security, indicating a moderate risk but no known active exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should monitor official Google Chrome security advisories for updates and apply the official fix once it becomes available.
Missing authorization in Browser in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a… (CVE-2026-87556)
Description
A missing authorization vulnerability in the Browser component of Google Chrome versions prior to 153.0.8010.36 allows a remote attacker to bypass system access restrictions by using a crafted HTML page. The issue is classified with medium severity by Chromium security. No CVSS score or detailed vendor advisory is currently available, and no exploits are known in the wild.
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
This vulnerability (CVE-2026-87556) involves a missing authorization check in the Browser component of Google Chrome before version 153.0.8010.36. An attacker can exploit this flaw by crafting a malicious HTML page that bypasses system access restrictions, potentially allowing unauthorized actions within the browser context. The vulnerability is categorized under CWE-862 (Missing Authorization). There is no public CVSS score or detailed patch information available at this time.
Potential Impact
The impact is a bypass of system access restrictions within the browser, which could lead to unauthorized access or actions in the affected Chrome versions. The severity is assessed as medium by Chromium security, indicating a moderate risk but no known active exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should monitor official Google Chrome security advisories for updates and apply the official fix once it becomes available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-877h-6rrv-wpjr
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87556"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6aa15f92acd9273b49618b8f
Added to database: 09/09/2026, 13:30:58 UTC
Last enriched: 09/09/2026, 14:11:39 UTC
Last updated: 09/09/2026, 19:52:00 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.