CVE-2026-87638: Critical severity Google Google Chrome vulnerability
Chromium CVE-2026-87638: Out of bounds write in Media
Other sources
Out of bounds write in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox 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 / Chromium-based browser (Media component)to a version that resolves this vulnerability.Fixed in 153.0.8010.36
Event History
Frequently Asked Questions
Which Chrome versions need to be updated?
Google Chrome versions prior to 153.0.8010.36 are affected. Update Chrome to 153.0.8010.36 or later.
What must an attacker do to exploit this issue?
An attacker would need to cause a user to process a crafted HTML page remotely. Successful exploitation could potentially allow arbitrary code execution outside Chrome's sandbox.