CVE-2026-12439: Use after free in Digital Credentials
Chromium: CVE-2026-12439 Use after free in Digital Credentials
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 Digital Credentials in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
— NVD
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 / Chromium-based Edgeto a version that resolves this vulnerability.Fixed in 149.0.7827.155
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-12034
- CVE-2026-7922
- CVE-2026-13033
- CVE-2026-9970
- CVE-2026-10969
- CVE-2026-10003
- CVE-2026-9933
- CVE-2026-9993
- CVE-2026-9961
- CVE-2026-9995
- CVE-2026-10905
- CVE-2026-8557
- CVE-2026-9903
- CVE-2026-7339
- CVE-2026-8559
- CVE-2026-6920
- CVE-2026-8524
- CVE-2026-10007
- CVE-2026-12008
- CVE-2026-12440
- CVE-2026-6360
- CVE-2026-12441
- CVE-2026-7348
Frequently Asked Questions
What is the severity of CVE-2026-12439?
CVE-2026-12439 has a severity rating of high with a CVSS score of 8.8.
How do I fix CVE-2026-12439?
To fix CVE-2026-12439, update Google Chrome or Microsoft Edge to the latest version as recommended by the vendor.
What does CVE-2026-12439 affect?
CVE-2026-12439 affects Google Chrome and Microsoft Edge browsers using the Chromium engine.
What type of vulnerability is CVE-2026-12439?
CVE-2026-12439 is a use after free vulnerability found in Digital Credentials.
When was CVE-2026-12439 published?
CVE-2026-12439 was published on June 3, 2026.