VULNERABILITY INTELLIGENCE
CVE-2021-37973
CVSS score9.6 CRITICAL
EPSS probability11.73%
CISA KEVKnown exploited vulnerability
Published2021-10-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Known Exploited Vulnerability
Google Chromium Portals Use-After-Free Vulnerability
Vendor / product: Google / Chromium Portals
Description
Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Weakness classification
- nvd@nist.gov: CWE-416
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-416
Primary references
- chrome-cve-admin@google.com — Release Notes
- chrome-cve-admin@google.com — Issue Tracking, Patch, Vendor Advisory
- chrome-cve-admin@google.com — Release Notes
- chrome-cve-admin@google.com — Release Notes
- chrome-cve-admin@google.com — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource