What is CVE-2025-0689?

CVE-2025-0689 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Grub2: udf: heap based buffer overflow in grub_udf_read_block() may lead to arbitrary code execution

Which CVE IDs does CVE-2025-0689 cover?

CVE-2025-0689 covers the following CVE IDs: CVE-2025-0689. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-0689?

CVE-2025-0689 has a CVSS v3 base score of 6.4, published by Microsoft Security Response Center (MSRC).

CVE-2025-0689MediumCVSS 6.4

Grub2: udf: heap based buffer overflow in grub_udf_read_block() may lead to arbitrary code execution

Vendor

Microsoft Security Response Center (MSRC)

Published

July 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-0689 →