What is CVE-2026-45858?

CVE-2026-45858 is a security advisory published by Microsoft Security Response Center (MSRC). ext4: don't zero the entire extent if EXT4_EXT_DATA_PARTIAL_VALID1

Which CVE IDs does CVE-2026-45858 cover?

CVE-2026-45858 covers the following CVE IDs: CVE-2026-45858. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-45858

ext4: don't zero the entire extent if EXT4_EXT_DATA_PARTIAL_VALID1

Vendor

Microsoft Security Response Center (MSRC)

Published

May 28, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-45858 →