CVE-2026-12462: Use after free in Media
Chromium: CVE-2026-12462 Use after free in Media
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 Media in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox 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
Chromium / Google Chrome (used by Microsoft Edge)to a version that resolves this vulnerability.Fixed in 149.0.7827.155 - Compensating control
Because exploitation required an attacker who had compromised the renderer process and a crafted HTML page, reduce exposure by restricting/isolating untrusted web content (e.g., use site isolation and limit access to pages/users that can load untrusted HTML).
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-2026-12463
- CVE-2026-12464
- CVE-2026-12465
- CVE-2026-12466
- CVE-2026-12467
- CVE-2026-12468
- CVE-2026-12469
Frequently Asked Questions
What is the severity of CVE-2026-12462?
The severity of CVE-2026-12462 is classified as High.
How do I fix CVE-2026-12462?
To fix CVE-2026-12462, upgrade Google Chrome to version 149.0.7827.155 or later.
What type of vulnerability is CVE-2026-12462?
CVE-2026-12462 is identified as a Use After Free vulnerability.
What can a remote attacker do with CVE-2026-12462?
A remote attacker can execute arbitrary code inside a sandbox via a crafted HTML page due to CVE-2026-12462.
In which software is CVE-2026-12462 found?
CVE-2026-12462 is found in Google Chrome prior to version 149.0.7827.155.