CVE-2026-87516: Observable discrepancy in Google Chrome
An observable discrepancy in navigation in Google Chrome versions prior to 153.0.8010.36 allows a remote attacker to leak cross-origin data via a crafted HTML page. This vulnerability has been assigned a medium severity by Chromium security. The issue affects Chrome desktop versions before 153.0.8010.36. No CVSS score is available for this vulnerability.
AI Analysis
Technical Summary
CVE-2026-87516 is a vulnerability in Google Chrome's navigation handling that permits a remote attacker to leak cross-origin data by exploiting an observable discrepancy. The flaw exists in Chrome versions prior to 153.0.8010.36. The vulnerability enables information disclosure through a crafted HTML page. The Chromium security team has rated this issue as medium severity. There is no CVSS score provided, and no known exploits in the wild have been reported at this time.
Potential Impact
The vulnerability allows remote attackers to leak cross-origin data, potentially exposing sensitive information from other origins. This could compromise user privacy or confidentiality of data accessible via the browser. However, the impact is limited to information disclosure and does not indicate code execution or privilege escalation.
Mitigation Recommendations
Google has released Chrome version 153.0.8010.36 which addresses this vulnerability. Users should update to this version or later to remediate the issue. Since this is a client-side browser vulnerability, applying the official update is the recommended mitigation. No other specific mitigations are indicated by the vendor advisory.
CVE-2026-87516: Observable discrepancy in Google Chrome
Description
An observable discrepancy in navigation in Google Chrome versions prior to 153.0.8010.36 allows a remote attacker to leak cross-origin data via a crafted HTML page. This vulnerability has been assigned a medium severity by Chromium security. The issue affects Chrome desktop versions before 153.0.8010.36. No CVSS score is available for this vulnerability.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87516 is a vulnerability in Google Chrome's navigation handling that permits a remote attacker to leak cross-origin data by exploiting an observable discrepancy. The flaw exists in Chrome versions prior to 153.0.8010.36. The vulnerability enables information disclosure through a crafted HTML page. The Chromium security team has rated this issue as medium severity. There is no CVSS score provided, and no known exploits in the wild have been reported at this time.
Potential Impact
The vulnerability allows remote attackers to leak cross-origin data, potentially exposing sensitive information from other origins. This could compromise user privacy or confidentiality of data accessible via the browser. However, the impact is limited to information disclosure and does not indicate code execution or privilege escalation.
Mitigation Recommendations
Google has released Chrome version 153.0.8010.36 which addresses this vulnerability. Users should update to this version or later to remediate the issue. Since this is a client-side browser vulnerability, applying the official update is the recommended mitigation. No other specific mitigations are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:39:16.929Z
- 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: 6aa0b179acd9273b49811ab3
Added to database: 09/09/2026, 01:08:09 UTC
Last enriched: 09/09/2026, 03:08:41 UTC
Last updated: 09/09/2026, 03:08:41 UTC
Views: 2
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