CVE-2026-76019: Incorrect authorization in Workers
Chromium CVE-2026-76019: Incorrect authorization in Workers
Other sources
Incorrect authorization in Workers in Google Chrome prior to 151.0.7922.173 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
— 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
Credit
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 151.0.7922.173 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 151.0.4129.107 - Compensating control
Mitigate risk by ensuring the renderer process is not compromised (e.g., harden the browser environment against renderer compromise and reduce exposure to social-engineering crafted HTML pages) until Chromium/Edge is updated.
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.