What is CVE-2025-54771?

CVE-2025-54771 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Grub2: use-after-free in grub_file_close()

Which CVE IDs does CVE-2025-54771 cover?

CVE-2025-54771 covers the following CVE IDs: CVE-2025-54771. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-54771?

CVE-2025-54771 has a CVSS v3 base score of 4.9, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-54771?

CVE-2025-54771 affects 1 product, including: cbl2 grub2 2.06-15 on CBL Mariner 2.0.

CVE-2025-54771MediumCVSS 4.9

Grub2: use-after-free in grub_file_close()

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-54771 →

🎯 Affected products1

cbl2 grub2 2.06-15 on CBL Mariner 2.0

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54771