CVE-2026-87539: Low severity Google Chrome vulnerability
Chromium CVE-2026-87539: Observable discrepancy in Network
Other sources
Observable discrepancy in Network in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 153.0.4234.32 - Upgrade
Upgrade
Google Chrome / Microsoft Edge (Chromium-based)to a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
Who can exploit this issue?
A remote attacker who can cause a user to load a crafted HTML page can exploit the observable discrepancy to obtain cross-origin data.
Which Chrome versions are affected?
Google Chrome versions prior to 153.0.8010.36 are affected.
What is the recommended remediation?
Update Google Chrome to version 153.0.8010.36 or later.