CVE-2026-12452: Use after free in Downloads

Published May 21, 2026
·
Updated

Chromium: CVE-2026-12452 Use after free in Downloads

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 Downloads in Google Chrome on Android prior to 149.0.7827.155 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

NVD

Credit

Google

Affected Software

6 affected componentsFixes available
Google Chrome for Android<149.0.7827.155
Google Chrome<149.0.7827.155
149.0.7827.155
All of the following
Google Chrome<149.0.7827.155
Google Android
Microsoft Edge<149.0.4022.80
Microsoft Edge (Chromium-based)<149.0.4022.80
149.0.4022.80

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 149.0.7827.155
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 149.0.4022.80
  3. Upgrade

    Upgrade Google Chrome on Android (Chromium) to a version that resolves this vulnerability.

    Fixed in 149.0.7827.155

Event History

May 21, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 17, 2026
CVE Published
via MITRE·01:38 AM
Data Sourced
via MITRE·01:38 AM
DescriptionWeakness
Data Sourced
via NVD·01:20 PM
DescriptionSeverityWeaknessAffected Software
Jun 19, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-12452?

The severity of CVE-2026-12452 is rated as High due to potential heap corruption vulnerabilities.

2

How do I fix CVE-2026-12452?

To fix CVE-2026-12452, update Google Chrome for Android to version 149.0.7827.155 or later.

3

What does CVE-2026-12452 affect?

CVE-2026-12452 affects the Downloads feature in Google Chrome on Android prior to version 149.0.7827.155.

4

What kind of vulnerability is CVE-2026-12452?

CVE-2026-12452 is classified as a Use After Free vulnerability.

5

Can CVE-2026-12452 be exploited by attackers?

Yes, CVE-2026-12452 allows a remote attacker to potentially exploit the vulnerability via a crafted HTML page.

Contact

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