What is CVE-2026-52956?

CVE-2026-52956 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. libceph: Fix potential out-of-bounds access in __ceph_x_decrypt()

Which CVE IDs does CVE-2026-52956 cover?

CVE-2026-52956 covers the following CVE IDs: CVE-2026-52956. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-52956?

CVE-2026-52956 has a CVSS v3 base score of 9.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-52956CriticalCVSS 9.8

libceph: Fix potential out-of-bounds access in __ceph_x_decrypt()

Vendor

Microsoft Security Response Center (MSRC)

Published

June 30, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-52956 →