CVE-2026-12460: High Insufficient policy enforcement in File System Access
Chromium: CVE-2026-12460 Insufficient policy enforcement in File System Access
Other sources
Insufficient policy enforcement in File System Access in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: High)
— NVD
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 149.0.4022.80 - Upgrade
Upgrade
Google Chrome / Chromiumto a version that resolves this vulnerability.Fixed in 149.0.7827.155
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-19141
- CVE-2026-13281
- CVE-2026-19155
- CVE-2026-19175
- CVE-2026-12446
- CVE-2026-19153
- CVE-2026-19166
- CVE-2026-15123
- CVE-2026-17680
- CVE-2026-9126
- CVE-2026-12456
- CVE-2026-12459
- CVE-2026-15905
- CVE-2026-15127
- CVE-2026-17657
- CVE-2026-15107
- CVE-2026-15118
- CVE-2026-15108
- CVE-2026-15116
- CVE-2026-12451
- CVE-2026-12015
- CVE-2026-15902
- CVE-2026-15778
- CVE-2026-15119
- CVE-2026-15121
- CVE-2026-13031
- CVE-2026-13036
- CVE-2026-16805
- CVE-2026-13853
- CVE-2026-15111
- CVE-2026-12017
- CVE-2026-13023
- CVE-2026-13026
- CVE-2026-13024
- CVE-2026-13854
- CVE-2026-12019
- CVE-2026-10970
- CVE-2026-19140
- CVE-2026-15114
- CVE-2026-19156
- CVE-2026-16423
- CVE-2026-19159
- CVE-2026-11672
- CVE-2026-19157
- CVE-2026-12455
- CVE-2026-17650
- CVE-2026-10956
- CVE-2026-11691
- CVE-2026-12012
- CVE-2026-11684
- CVE-2026-12014
Frequently Asked Questions
What is the severity of CVE-2026-12460?
CVE-2026-12460 has been categorized with a high severity rating.
How do I fix CVE-2026-12460?
To fix CVE-2026-12460, update Google Chrome to version 149.0.7827.155 or later.
What is the impact of CVE-2026-12460?
The impact of CVE-2026-12460 allows a remote attacker to bypass site isolation through a crafted PDF file.
Which software is affected by CVE-2026-12460?
CVE-2026-12460 affects Google Chrome prior to version 149.0.7827.155.
When was CVE-2026-12460 published?
CVE-2026-12460 was published on June 17, 2026.