CVE-2026-87658: Information leak in Google Chrome
CVE-2026-87658 is an information leak vulnerability in Google Chrome extensions prior to version 153.0.8010.36. A remote attacker could exploit this flaw by using social engineering techniques to obtain cross-origin data via a specially crafted Chrome extension. The vulnerability has been assigned a medium severity level by Chromium security. There is no CVSS score provided. The vendor advisory linked indicates a stable channel update addressing this issue.
AI Analysis
Technical Summary
This vulnerability involves an information leak in Google Chrome extensions before version 153.0.8010.36. It allows a remote attacker, leveraging social engineering, to access cross-origin data through a crafted Chrome extension. The flaw affects the extension security model, potentially exposing data that should be isolated by origin policies. The issue was publicly disclosed and a stable channel update has been released by Google to address it.
Potential Impact
The vulnerability enables unauthorized disclosure of cross-origin data via malicious Chrome extensions, which could lead to exposure of sensitive information. However, exploitation requires social engineering to convince users to install the crafted extension. There are no known exploits in the wild at this time.
Mitigation Recommendations
Google has released a stable channel update for Chrome that fixes this vulnerability in version 153.0.8010.36. Users and administrators should update Chrome to version 153.0.8010.36 or later to remediate this issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are indicated.
CVE-2026-87658: Information leak in Google Chrome
Description
CVE-2026-87658 is an information leak vulnerability in Google Chrome extensions prior to version 153.0.8010.36. A remote attacker could exploit this flaw by using social engineering techniques to obtain cross-origin data via a specially crafted Chrome extension. The vulnerability has been assigned a medium severity level by Chromium security. There is no CVSS score provided. The vendor advisory linked indicates a stable channel update addressing this issue.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an information leak in Google Chrome extensions before version 153.0.8010.36. It allows a remote attacker, leveraging social engineering, to access cross-origin data through a crafted Chrome extension. The flaw affects the extension security model, potentially exposing data that should be isolated by origin policies. The issue was publicly disclosed and a stable channel update has been released by Google to address it.
Potential Impact
The vulnerability enables unauthorized disclosure of cross-origin data via malicious Chrome extensions, which could lead to exposure of sensitive information. However, exploitation requires social engineering to convince users to install the crafted extension. There are no known exploits in the wild at this time.
Mitigation Recommendations
Google has released a stable channel update for Chrome that fixes this vulnerability in version 153.0.8010.36. Users and administrators should update Chrome to version 153.0.8010.36 or later to remediate this issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:44:25.919Z
- 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: 6aa0b198acd9273b49812b89
Added to database: 09/09/2026, 01:08:40 UTC
Last enriched: 09/09/2026, 01:22:32 UTC
Last updated: 09/09/2026, 01:22:32 UTC
Views: 4
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