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Recorded 6 Nov 2026 at 09:07 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

The historical field “Public exploit code” recorded Nuclei detection-template membership. It did not establish exploit availability. The original recorded fields remain below.

CVEMicrosoft Security Response Center

containerd: Unpack DoS via repeated opaque whiteouts

containerd: Unpack DoS via repeated opaque whiteouts

What it said

CVE
CVE-2026-95838
Severity
Moderate
CVSS base score
Not published
CVSS vector
Not published
Impact
Not stated
Exploitation detected
Unknown: not stated by MSRC
Publicly disclosed
Unknown: not stated by MSRC
Exploitability
Not assessed
Component
Mariner
Weakness
CWE-400: Uncontrolled Resource Consumption
Issued by
GitHub_M
Customer action
Required: follow the MSRC remediation guidance
Affected products
azl3 containerd2 2.3.4-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-19 on Azure Linux 3.0, azl3 moby-engine 25.0.18-1 on Azure Linux 3.0, azl3 moby-engine 25.0.3-20 on Azure Linux 3.0
Updates that fix it
No KB listed
CISA KEV
Not listed in the collected catalog
EPSS
No EPSS score collected
Public detection template
No Nuclei template listed
Published
14 Oct 2026 02:55 UTC
Last revised
6 Nov 2026 01:45 UTC
Revision note
Information published.
Public exploit code
No Nuclei template listed

Source evidence when recorded

Microsoft security releases
Complete at observationRead 6 Nov 2026 at 09:06 UTC
CISA KEV
Complete at observationRead 6 Nov 2026 at 09:06 UTC
FIRST EPSS
Complete at observationRead 6 Nov 2026 at 09:06 UTC
Public detection templates (Nuclei)
Complete at observationRead 6 Nov 2026 at 09:06 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

What changed

  1. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  2. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  3. Affected products: azl3 containerd2 2.3.4-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0, azl3 moby-engine 25.0.3-20 on Azure Linux 3.0 → azl3 containerd2 2.3.4-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-19 on Azure Linux 3.0, azl3 moby-engine 25.0.18-1 on Azure Linux 3.0, azl3 moby-engine 25.0.3-20 on Azure Linux 3.0
  4. Detection template: No Nuclei template listed · Customer action: Required: apply the update → Required: follow the MSRC remediation guidance · Public disclosure: No → Unknown: not stated by MSRC · Exploitation detected: Not reported by MSRC → Unknown: not stated by MSRC
  5. Detection template: Unknown: exploit-code evidence is incomplete or retained → No Nuclei template listed · CISA KEV: Unknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  6. Detection template: No Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained · CISA KEV: Not listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  7. Affected products: azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0 → azl3 containerd2 2.3.4-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0, azl3 moby-engine 25.0.3-20 on Azure Linux 3.0
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (33)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 6 Nov 2026 · 09:07:49 UTC Last revised2 Nov 2026 01:47 UTC → 6 Nov 2026 01:45 UTC
  2. 2 Nov 2026 · 17:30:39 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  3. 2 Nov 2026 · 17:30:39 UTC Source coverage: public-exploit-codeIncomplete → Current
  4. 2 Nov 2026 · 17:30:39 UTC Source coverage: first-epssIncomplete → Current
  5. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  6. 2 Nov 2026 · 16:27:39 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  7. 2 Nov 2026 · 16:27:39 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  8. 2 Nov 2026 · 16:27:39 UTC Source coverage: first-epssCurrent → Incomplete
  9. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  10. 2 Nov 2026 · 09:04:36 UTC Last revised31 Oct 2026 14:46 UTC → 2 Nov 2026 01:47 UTC
  11. 2 Nov 2026 · 09:04:36 UTC Affected productsazl3 containerd2 2.3.4-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0, azl3 moby-engine 25.0.3-20 on Azure Linux 3.0 → azl3 containerd2 2.3.4-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata1-2 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-23 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-19 on Azure Linux 3.0, azl3 moby-engine 25.0.18-1 on Azure Linux 3.0, azl3 moby-engine 25.0.3-20 on Azure Linux 3.0
  12. 1 Nov 2026 · 07:59:15 UTC Last revised24 Oct 2026 14:48 UTC → 31 Oct 2026 14:46 UTC
  13. 29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
  14. 29 Oct 2026 · 20:19:26 UTC EPSSNot scored → No EPSS score collected
  15. 29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
  16. 29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → Unknown: not stated by MSRC
  17. 29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → Unknown: not stated by MSRC
  18. 25 Oct 2026 · 07:41:18 UTC Last revised15 Oct 2026 01:06 UTC → 24 Oct 2026 14:48 UTC
  19. 23 Oct 2026 · 09:33:49 UTC Public exploit codeUnknown: exploit-code evidence is incomplete or retained → No Nuclei template listed
  20. 23 Oct 2026 · 09:33:49 UTC CISA KEVUnknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  21. 23 Oct 2026 · 09:33:49 UTC Source coverage: public-exploit-codeIncomplete → Current
  22. 23 Oct 2026 · 09:33:49 UTC Source coverage: first-epssIncomplete → Current
  23. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  24. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  25. 23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
  26. 23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  27. 23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  28. 23 Oct 2026 · 08:31:50 UTC Source coverage: first-epssCurrent → Incomplete
  29. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
  30. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  31. 18 Oct 2026 · 14:54:30 UTC Link: October 2026/security?release=2026-Oct#cves
  32. 15 Oct 2026 · 07:14:54 UTC Last revised14 Oct 2026 02:55 UTC → 15 Oct 2026 01:06 UTC
  33. 15 Oct 2026 · 07:14:54 UTC Affected productsazl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0 → azl3 containerd2 2.3.4-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0, azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0, azl3 moby-engine 25.0.3-20 on Azure Linux 3.0
ChangeIntel

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Sources read 8 Nov 15:15 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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