What is CVE-2025-26634?

CVE-2025-26634 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Core Messaging Elevation of Privileges Vulnerability

Which CVE IDs does CVE-2025-26634 cover?

CVE-2025-26634 covers the following CVE IDs: CVE-2025-26634. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-26634?

CVE-2025-26634 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

CVE-2025-26634HighCVSS 7.5

Windows Core Messaging Elevation of Privileges Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 11, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-26634 →

🔗 CVE IDs covered (1)

📋 Description