What is CVE-2026-53303?

CVE-2026-53303 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. f2fs: protect extension_list reading with sb_lock in f2fs_sbi_show()

Which CVE IDs does CVE-2026-53303 cover?

CVE-2026-53303 covers the following CVE IDs: CVE-2026-53303. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-53303?

CVE-2026-53303 has a CVSS v3 base score of 7.1, published by Microsoft Security Response Center (MSRC).

CVE-2026-53303HighCVSS 7.1

f2fs: protect extension_list reading with sb_lock in f2fs_sbi_show()

Vendor

Microsoft Security Response Center (MSRC)

Published

June 30, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-53303 →