CVE-2026-102330: Incorrect authorization in SiteIsolation
Chromium CVE-2026-102330: Incorrect authorization
Other sources
Incorrect authorization in SiteIsolation in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to bypass web origin policy 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
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 154.0.8037.92 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 154.0.4258.53 - Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 154.0.8037.92
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-102331
- CVE-2026-102317
- CVE-2026-102312
- CVE-2026-102313
- CVE-2026-102299
- CVE-2026-102306
- CVE-2026-102307
- CVE-2026-102323
- CVE-2026-102303
- CVE-2026-102311
- CVE-2026-102300
- CVE-2026-102326
- CVE-2026-102316
- CVE-2026-102304
- CVE-2026-102328
- CVE-2026-102309
- CVE-2026-102325
- CVE-2026-102308
- CVE-2026-102301
- CVE-2026-102319
- CVE-2026-102324
- CVE-2026-102318
- CVE-2026-102329
- CVE-2026-102315
- CVE-2026-102302
- CVE-2026-102321
- CVE-2026-102320
- CVE-2026-102310
- CVE-2026-102327
- CVE-2026-102314
- CVE-2026-102305
Frequently Asked Questions
What level of access does an attacker need to exploit this issue?
The attacker must already have compromised the Chrome renderer process. The issue is then exploitable through a crafted HTML page to bypass web origin policy.
Which Chrome versions are affected?
Google Chrome versions prior to 154.0.8037.92 are affected.