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Recorded 2 Nov 2026 at 16:27 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

IMAP APPEND plus CRLF conversion command injection

IMAP APPEND plus CRLF conversion command injection

What it said

CVE
CVE-2026-87864
Severity
Important
CVSS base score
8.2
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U
Impact
Not stated
Exploitation detected
Unknown: not stated by MSRC
Publicly disclosed
Unknown: not stated by MSRC
Exploitability
Not assessed
Component
Mariner
Weakness
Not stated
Issued by
curl
Customer action
Required: follow the MSRC remediation guidance
Affected products
azl3 curl 8.11.1-11 on Azure Linux 3.0, azl3 curl 8.11.1-12 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
Unknown: detection-template evidence is incomplete or retained
Published
23 Oct 2026 01:06 UTC
Last revised
1 Nov 2026 14:54 UTC
Revision note
Information published.
Public exploit code
No Nuclei template listed

Source evidence when recorded

Microsoft security releases
IncompleteRead 2 Nov 2026 at 15:22 UTC
CISA KEV
Complete at observationRead 2 Nov 2026 at 16:25 UTC
FIRST EPSS
IncompleteRead 2 Nov 2026 at 15:22 UTC
Public detection templates (Nuclei)
IncompleteRead 2 Nov 2026 at 15:22 UTC

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

What changed

  1. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  2. Affected products: azl3 curl 8.11.1-11 on Azure Linux 3.0 → azl3 curl 8.11.1-11 on Azure Linux 3.0, azl3 curl 8.11.1-12 on Azure Linux 3.0
  3. 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
  4. Affected products: azl3 cmake 3.30.3-15 on Azure Linux 3.0, azl3 curl 8.11.1-11 on Azure Linux 3.0, azl3 mysql 8.0.46-2 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.96.1-2 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0 → azl3 curl 8.11.1-11 on Azure Linux 3.0
  5. Affected products: azl3 mysql 8.0.46-2 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.96.1-2 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0 → azl3 cmake 3.30.3-15 on Azure Linux 3.0, azl3 curl 8.11.1-11 on Azure Linux 3.0, azl3 mysql 8.0.46-2 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.96.1-2 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0 · CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L → CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U · CVSS score: 5.9 → 8.2 · Severity: Moderate → Important
  6. 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
  7. 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
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 (30)

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

  1. 2 Nov 2026 · 16:27:39 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  2. 2 Nov 2026 · 16:27:39 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  3. 2 Nov 2026 · 16:27:39 UTC Source coverage: first-epssCurrent → Incomplete
  4. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  5. 2 Nov 2026 · 09:04:36 UTC Last revised28 Oct 2026 01:47 UTC → 1 Nov 2026 14:54 UTC
  6. 2 Nov 2026 · 09:04:36 UTC Affected productsazl3 curl 8.11.1-11 on Azure Linux 3.0 → azl3 curl 8.11.1-11 on Azure Linux 3.0, azl3 curl 8.11.1-12 on Azure Linux 3.0
  7. 29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
  8. 29 Oct 2026 · 20:19:26 UTC EPSSNot scored → No EPSS score collected
  9. 29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
  10. 29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → Unknown: not stated by MSRC
  11. 29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → Unknown: not stated by MSRC
  12. 28 Oct 2026 · 07:15:25 UTC Last revised24 Oct 2026 01:44 UTC → 28 Oct 2026 01:47 UTC
  13. 28 Oct 2026 · 07:15:25 UTC Affected productsazl3 cmake 3.30.3-15 on Azure Linux 3.0, azl3 curl 8.11.1-11 on Azure Linux 3.0, azl3 mysql 8.0.46-2 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.96.1-2 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0 → azl3 curl 8.11.1-11 on Azure Linux 3.0
  14. 24 Oct 2026 · 07:49:07 UTC Last revised23 Oct 2026 01:06 UTC → 24 Oct 2026 01:44 UTC
  15. 24 Oct 2026 · 07:49:07 UTC Affected productsazl3 mysql 8.0.46-2 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.96.1-2 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0 → azl3 cmake 3.30.3-15 on Azure Linux 3.0, azl3 curl 8.11.1-11 on Azure Linux 3.0, azl3 mysql 8.0.46-2 on Azure Linux 3.0, azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.96.1-2 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0
  16. 24 Oct 2026 · 07:49:07 UTC CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L → CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U
  17. 24 Oct 2026 · 07:49:07 UTC CVSS base score5.9 → 8.2
  18. 24 Oct 2026 · 07:49:07 UTC SeverityModerate → Important
  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
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 7 Nov 00:33 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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