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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.

CVEMicrosoft Security Response Center

Amplified resource exhaustion in inbound message processing

Amplified resource exhaustion in inbound message processing

What it said

CVE
CVE-2026-19630
Severity
Important
CVSS base score
7.5
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact
Not stated
Exploitation detected
Unknown: not stated by MSRC
Publicly disclosed
Unknown: not stated by MSRC
Exploitability
Not assessed
Component
Mariner
Weakness
CWE-407: Inefficient Algorithmic Complexity
Issued by
isc
Customer action
Required: follow the MSRC remediation guidance
Affected products
azl3 bind 9.20.26-1 on Azure Linux 3.0, azl3 bind 9.20.29-1 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
30 Oct 2026 01:02 UTC
Last revised
1 Nov 2026 14:57 UTC
Revision note
Information published.

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 bind 9.20.26-1 on Azure Linux 3.0 → azl3 bind 9.20.26-1 on Azure Linux 3.0, azl3 bind 9.20.29-1 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 (6)

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 revised30 Oct 2026 01:02 UTC → 1 Nov 2026 14:57 UTC
  6. 2 Nov 2026 · 09:04:36 UTC Affected productsazl3 bind 9.20.26-1 on Azure Linux 3.0 → azl3 bind 9.20.26-1 on Azure Linux 3.0, azl3 bind 9.20.29-1 on Azure Linux 3.0
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 8 Nov 09:07 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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