CVE-2026-87631: Medium severity Google Chrome vulnerability
Chromium CVE-2026-87631: Missing authorization in DOM
Other sources
Missing authorization in DOM in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially leak sensitive information via a crafted HTML page. (Chromium security severity: Low)
— 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 - Compensating control
Until updated, avoid opening untrusted HTML pages in Chromium-based browsers to reduce the risk of sensitive information leakage via crafted HTML.
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 in an affected Chrome version. The disclosed impact is potential leakage of sensitive information.
Which Chrome versions need to be updated?
Chrome versions prior to 153.0.8010.36 are affected. Update Chrome to 153.0.8010.36 or later.