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CVE-2026-40415 - Vulnerability Analysis

HighCVSS: 8.1

Last Updated: May 12, 2026

Windows TCP/IP - Use After Free

Published: May 12, 2026Updated: May 12, 2026Remote Exploitable

Overview

Windows TCP/IP contains a use after free vulnerability allowing unauthorized attackers to execute code remotely over a network, exploit requires network access.

Severity & Score

Severity: High

CVSS Score: 8.1

Impact

Unauthorized attackers can execute arbitrary code remotely, potentially leading to full system compromise.

Mitigation

Update to the latest Windows version with security patches.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40415

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-40415
Severity: High
CVSS Score: 8.1
Type: use_after_free
Status: new

CWE

CWE-416

CVSS Metrics

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