CVE-2026-12440

Name: CVE-2026-12440
Creator: NVD / NIST
Published: 2026-06-17T13:19:59.187+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10EPSS 0.25%

Last modified Jun 18, 2026

CVE-2026-12440 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. 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). EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

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)

Metrics

CVSS 3.1

9.6/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

0.25%

16.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Google	Chrome	< 149.0.7827.155

References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.htmlVendor Advisory
https://issues.chromium.org/issues/519731619Permissions Required

Timeline

Published: Jun 17, 2026
Last Modified: Jun 18, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-12440?

How severe is CVE-2026-12440?

CVE-2026-12440 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2026-12440?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-12440?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST