CVE-2026-87573: Improper input validation in Google Chrome
CVE-2026-87573 is a medium severity vulnerability in Google Chrome prior to version 153.0.8010.36. It involves improper input validation in the network component, allowing a remote attacker to bypass the web origin policy via a crafted HTML page. This could potentially enable unauthorized access to web resources across origins. No CVSS score is provided. There is no explicit vendor advisory stating a fix or mitigation in the provided data.
AI Analysis
Technical Summary
This vulnerability in Google Chrome's network handling allows improper input validation that can be exploited by a remote attacker through a specially crafted HTML page to bypass the web origin policy. The issue affects Chrome versions before 153.0.8010.36. The web origin policy is a critical security mechanism that restricts how documents or scripts loaded from one origin can interact with resources from another origin. Bypassing this policy can lead to unauthorized access or data leakage between web origins.
Potential Impact
The impact is a medium severity risk of bypassing the web origin policy, which could allow cross-origin access that is normally restricted. This may lead to unauthorized information disclosure or interaction between web origins that should be isolated. There are no known exploits in the wild according to the data provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html for current remediation guidance. Since no explicit patch or remediation level is stated, users and administrators should monitor official Google Chrome release notes and apply updates promptly once a fix is confirmed.
CVE-2026-87573: Improper input validation in Google Chrome
Description
CVE-2026-87573 is a medium severity vulnerability in Google Chrome prior to version 153.0.8010.36. It involves improper input validation in the network component, allowing a remote attacker to bypass the web origin policy via a crafted HTML page. This could potentially enable unauthorized access to web resources across origins. No CVSS score is provided. There is no explicit vendor advisory stating a fix or mitigation in the provided data.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's network handling allows improper input validation that can be exploited by a remote attacker through a specially crafted HTML page to bypass the web origin policy. The issue affects Chrome versions before 153.0.8010.36. The web origin policy is a critical security mechanism that restricts how documents or scripts loaded from one origin can interact with resources from another origin. Bypassing this policy can lead to unauthorized access or data leakage between web origins.
Potential Impact
The impact is a medium severity risk of bypassing the web origin policy, which could allow cross-origin access that is normally restricted. This may lead to unauthorized information disclosure or interaction between web origins that should be isolated. There are no known exploits in the wild according to the data provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html for current remediation guidance. Since no explicit patch or remediation level is stated, users and administrators should monitor official Google Chrome release notes and apply updates promptly once a fix is confirmed.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:41:05.734Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b187acd9273b4981294d
Added to database: 09/09/2026, 01:08:23 UTC
Last enriched: 09/09/2026, 02:22:51 UTC
Last updated: 09/09/2026, 03:32:16 UTC
Views: 2
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