Skip to main content
CVE-2026-46066VulnerabilityPublished Updated

Microsoft · ceph: fix num_ops off-by-one when crypto allocation fails

Affects MicrosoftSource GCVE Database

0
Compare
Authoritative record:CVE-2026-46066· High

Not known to be exploited · fixed in f65a96fe2467a9b184c6ae963d95a260a202c98e : patch Microsoft soon.

Data as of 30 Oct 2026, 11:52 UTC

Severity
High

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in f65a96fe2467a9b184c6ae963d95a260a202c98e, ba12c1e578890f6337a415b7dedf476c6d455105, a0d9555bf9eaeba34fe6b6bb86f442fe08ba3842 +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ d55207717ded95c8f2760a30e93319fa313186e6, < f65a96fe2467a9b184c6ae963d95a260a202c98e
Fixed in
  • f65a96fe2467a9b184c6ae963d95a260a202c98e
LinuxLinuxAffected
  • ≥ d55207717ded95c8f2760a30e93319fa313186e6, < ba12c1e578890f6337a415b7dedf476c6d455105
Fixed in
  • ba12c1e578890f6337a415b7dedf476c6d455105
LinuxLinuxAffected
  • ≥ d55207717ded95c8f2760a30e93319fa313186e6, < a0d9555bf9eaeba34fe6b6bb86f442fe08ba3842
Fixed in
  • a0d9555bf9eaeba34fe6b6bb86f442fe08ba3842
LinuxLinuxAffected
  • ≥ d55207717ded95c8f2760a30e93319fa313186e6, < 6200f41d6fcf2ac7e24866431e381cbc914560e4
Fixed in
  • 6200f41d6fcf2ac7e24866431e381cbc914560e4
LinuxLinuxAffected
  • ≥ d55207717ded95c8f2760a30e93319fa313186e6, < 5dd151799d826d3736ae60c2b22cbc9d96a2a613
Fixed in
  • 5dd151799d826d3736ae60c2b22cbc9d96a2a613
LinuxLinuxAffected
  • =6.6
Fixed in–

Description

CVE-2026-46066 is a vulnerability related to an off-by-one error in the Ceph component when a cryptographic allocation fails. The provided description does not include detailed technical information or exploitation scenarios. There is no CVSS score available, and no known exploits in the wild have been reported. The vulnerability affects Microsoft products including Azure Linux 3.0.

References

Community reviews

Loading reviews…