CVE-2026-12464: Use after free in Browser
Chromium: CVE-2026-12464 Use after free in Browser
Other sources
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
Use after free in Browser in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
— NVD
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 149.0.7827.155 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 149.0.4022.80 - Upgrade
Upgrade
Google Chrome/Chromium (Edge Chromium-based)to a version that resolves this vulnerability.Fixed in 149.0.7827.155 - Compensating control
Mitigate potential sandbox escape from renderer compromise by reducing exposure of the browser renderer (e.g., limit untrusted HTML/website rendering) until Chromium/Edge is updated to 149.0.7827.155 or later.
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-12437
- CVE-2026-12438
- CVE-2026-12439
- CVE-2026-12440
- CVE-2026-12441
- CVE-2026-12442
- CVE-2026-12443
- CVE-2026-12444
- CVE-2026-12445
- CVE-2026-12446
- CVE-2026-12447
- CVE-2026-12448
- CVE-2026-12449
- CVE-2026-12450
- CVE-2026-12451
- CVE-2026-12452
- CVE-2026-12453
- CVE-2026-12454
- CVE-2026-12455
- CVE-2026-12456
- CVE-2026-12457
- CVE-2026-12458
- CVE-2026-12459
- CVE-2026-12460
- CVE-2026-12461
- CVE-2026-12462
- CVE-2026-12463
- CVE-2026-12465
- CVE-2026-12466
- CVE-2026-12467
- CVE-2026-12468
- CVE-2026-12469
Frequently Asked Questions
What is the severity of CVE-2026-12464?
CVE-2026-12464 has a severity rating of High.
How do I fix CVE-2026-12464?
To fix CVE-2026-12464, update Google Chrome to version 149.0.7827.155 or later.
What type of vulnerability is CVE-2026-12464?
CVE-2026-12464 is categorized as a Use After Free vulnerability.
What can an attacker do with CVE-2026-12464?
An attacker can potentially perform a sandbox escape by exploiting CVE-2026-12464 through a crafted HTML page.
Which versions of Google Chrome are affected by CVE-2026-12464?
CVE-2026-12464 affects Google Chrome versions prior to 149.0.7827.155.