Recorded 18 Oct 2026 at 14:54 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.

The historical “Publicly disclosed: No” field could represent a missing MSRC assessment. It does not establish that the vulnerability was undisclosed. The original recorded fields remain below.

CVEMicrosoft Security Response Center

QUIC Connection-Level Flow Control is Not Enforced for Streams

What it said

CVE: CVE-2026-75804
Severity: Moderate
CVSS base score: 5.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U
Impact: Not stated
Exploitation detected: Not reported by MSRC
Publicly disclosed: No
Exploitability: Not assessed
Component: Mariner
Weakness: CWE-770: Allocation of Resources Without Limits or Throttling
Issued by: openssl
Customer action: Required: apply the update
Affected products: azl3 openssl 3.3.7-6 on Azure Linux 3.0
Updates that fix it: No KB listed
CISA KEV: Not listed in the collected catalog
EPSS: Not scored
Public exploit code: No Nuclei template listed
Published: 3 Oct 2026 01:23 UTC
Last revised: 16 Oct 2026 01:47 UTC
Revision note: Information published.

Recorded links

Source evidence when recorded

Microsoft security releases: Complete at observationRead 18 Oct 2026 at 14:53 UTC
CISA KEV: Complete at observationRead 18 Oct 2026 at 14:53 UTC
FIRST EPSS: Complete at observationRead 18 Oct 2026 at 14:53 UTC
Public detection templates (Nuclei): Complete at observationRead 18 Oct 2026 at 14:53 UTC

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

What changed

Affected products: azl3 cloud-hypervisor 52.0.152-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 openssl 3.3.7-6 on Azure Linux 3.0, azl3 openvmm 0.1.0-1 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 openssl 3.3.7-6 on Azure Linux 3.0 · CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L → CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U
16 Oct 2026

Page history

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Cite this version

Field-level log (5)

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18 Oct 2026 · 14:54:30 UTC Link: September 2026/security?release=2026-Sep#cves
16 Oct 2026 · 07:41:54 UTC Last revised13 Oct 2026 02:15 UTC → 16 Oct 2026 01:47 UTC
16 Oct 2026 · 07:41:54 UTC Affected productsazl3 cloud-hypervisor 52.0.152-1 on Azure Linux 3.0, azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0, azl3 openssl 3.3.7-6 on Azure Linux 3.0, azl3 openvmm 0.1.0-1 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 openssl 3.3.7-6 on Azure Linux 3.0
16 Oct 2026 · 07:41:54 UTC CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L → CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U
14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current