CVE-2026-87563: Medium severity Google Chrome vulnerability
Chromium CVE-2026-87563: Origin validation error in Paint
Other sources
Origin validation error in Paint 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 / Chromium-based Edgeto 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?
An attacker needs to persuade a user to load a crafted HTML page in an affected Chrome version. The disclosed impact is obtaining cross-origin data.
Which Chrome versions need to be updated?
Chrome versions prior to 153.0.8010.36 are affected. Update to 153.0.8010.36 or a later version.