What is CVE-2026-23259?

CVE-2026-23259 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. io_uring/rw: free potentially allocated iovec on cache put failure

Which CVE IDs does CVE-2026-23259 cover?

CVE-2026-23259 covers the following CVE IDs: CVE-2026-23259. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-23259?

CVE-2026-23259 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-23259MediumCVSS 5.5

io_uring/rw: free potentially allocated iovec on cache put failure

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-23259 →