CVE-2026-3917: High Use after free in Agents.

Published Feb 11, 2026
·
Updated

Chromium: CVE-2026-3917 Use after free in Agents

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 Agents in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

NVD

Credit

Syn4pse

Affected Software

7 affected componentsFixes available
Google Chrome<146.0.7680.71
All of the following
Google Chrome<146.0.7680.71
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows
Microsoft Edge<146.0.3856.59
Microsoft Edge (Chromium-based)

Event History

Feb 11, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
Weakness
Mar 11, 2026
CVE Published
via MITRE·10:04 PM
Data Sourced
via MITRE·10:04 PM
DescriptionWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software
Mar 14, 2026
Data Sourced
via Microsoft·01:20 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·01:20 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-3917?

CVE-2026-3917 has a security severity rating of High as per Chromium's classification.

2

How do I fix CVE-2026-3917?

To fix CVE-2026-3917, upgrade Google Chrome to version 146.0.7680.71 or later.

3

What is the impact of CVE-2026-3917?

CVE-2026-3917 may allow remote attackers to exploit heap corruption vulnerabilities through crafted HTML pages.

4

Is CVE-2026-3917 present in older versions of Google Chrome?

Yes, CVE-2026-3917 affects Google Chrome versions prior to 146.0.7680.71.

5

What type of vulnerability is CVE-2026-3917?

CVE-2026-3917 is classified as a use after free vulnerability in Agents in Google Chrome.

Contact

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