What is CVE-2026-54988?

CVE-2026-54988 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Excel Information Disclosure Vulnerability

Which CVE IDs does CVE-2026-54988 cover?

CVE-2026-54988 covers the following CVE IDs: CVE-2026-54988. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-54988?

CVE-2026-54988 has a CVSS v3 base score of 6.1, published by Microsoft Security Response Center (MSRC).

CVE-2026-54988HighCVSS 6.1

Microsoft Excel Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 17, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-54988 →

🔗 CVE IDs covered (1)

📋 Description