CVE-2026-5874: Use after free in PrivateAI

Published Feb 18, 2026
·
Updated

Chromium: CVE-2026-5874 Use after free in PrivateAI

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 PrivateAI in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

MITRE

Credit

Krace

Affected Software

7 affected componentsFixes available
Google Chrome<147.0.7727.55
147.0.7727.55
Microsoft Edge (Chromium-based)
Microsoft Edge<147.0.3912.60
All of the following
Google Chrome<147.0.7727.55
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows

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 147.0.7727.55
  2. Upgrade

    Upgrade Chromium to a version that resolves this vulnerability.

    Fixed in 147.0.7727.55
  3. Upgrade

    Upgrade Microsoft Edge (Chromium-based) to a version that resolves this vulnerability.

    Fixed in 147.0.7727.55

Event History

Feb 18, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Apr 8, 2026
CVE Published
via MITRE·09:20 PM
Data Sourced
via MITRE·09:20 PM
DescriptionWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software
Apr 11, 2026
Data Sourced
via Microsoft·12:31 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·12:31 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-5874?

CVE-2026-5874 has a high severity rating due to the use after free vulnerability in PrivateAI.

2

How do I fix CVE-2026-5874?

To fix CVE-2026-5874, update Google Chrome to version 147.0.7727.55 or later, or update Microsoft Edge to the latest secure release.

3

Which software is affected by CVE-2026-5874?

CVE-2026-5874 affects Google Chrome versions prior to 147.0.7727.55 and Microsoft Edge (Chromium-based) versions with prior releases.

4

What are the implications of CVE-2026-5874?

The implications of CVE-2026-5874 include potential exploitation that could allow an attacker to execute arbitrary code on affected systems.

5

Who is responsible for addressing CVE-2026-5874?

Both Google and Microsoft are responsible for addressing CVE-2026-5874, as affected products are based on Chromium.

Contact

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