Is CVE-2026-7338 actively exploited?

No active exploitation of CVE-2026-7338 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7338 be exploited remotely?

Partially. CVE-2026-7338 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2026-7338?

CVE-2026-7338 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-7338

CWE-416Published: April 28, 2026· Updated: Apr 30, 2026

7.5

CVSS v3.1

EPSS:0.00%probability of exploitation in 30 daysPercentile:0.1th

Official Description

Use after free in Cast in Google Chrome prior to 147.0.7727.138 allowed an attacker on the local network segment to potentially exploit heap corruption via malicious network traffic. (Chromium security severity: High)

NVD Source

Technical Analysis

CVE-2026-7338 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.