CVE-2026-12440: Use after free in DigitalCredentials
Chromium: CVE-2026-12440 Use after free in DigitalCredentials
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 DigitalCredentials in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to potentially perform a sandbox escape 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)to 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-2026-12439
- 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-2026-6360
- CVE-2026-12441
- CVE-2026-7348
Frequently Asked Questions
What is the severity of CVE-2026-12440?
CVE-2026-12440 has a critical severity rating of 9.6.
What impact does CVE-2026-12440 have?
CVE-2026-12440 can lead to use after free vulnerabilities, allowing for potential data corruption or exploits.
Which software is affected by CVE-2026-12440?
CVE-2026-12440 affects Google Chrome and Microsoft Edge, both of which are Chromium-based.
How do I fix CVE-2026-12440?
To fix CVE-2026-12440, users should update to the latest version of Google Chrome or Microsoft Edge.
Is CVE-2026-12440 exploitable?
Yes, CVE-2026-12440 is potentially exploitable due to the use after free condition in DigitalCredentials.