CVE-2026-87516: Medium severity Google Chrome vulnerability
Chromium CVE-2026-87516: Observable discrepancy in Navigation
Other sources
Observable discrepancy in Navigation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to leak 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
Chromium/Google Chrome (Chromium-based)to a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
The attacker needs to induce a user to load a crafted HTML page. The issue is remotely exploitable and can leak cross-origin data through an observable navigation discrepancy.
Which Chrome versions should be remediated?
Google Chrome versions prior to 153.0.8010.36 are affected. Update Chrome to 153.0.8010.36 or later.