Recorded 14 Oct 2026 at 11:22 UTC. The last complete observation on or before 14 Oct 2026 (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

macvlan: inherit needed_headroom and needed_tailroom from lowerdev

Permanent link to this revision

What it said

CVE: CVE-2026-74743
Severity: Moderate
CVSS base score: 7.1
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U
Impact: Not stated
Exploitation detected: Not reported by MSRC
Publicly disclosed: No
Exploitability: Not assessed
Component: Mariner
Weakness: Not stated
Issued by: Linux
Customer action: Required: apply the update
Affected products: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0, azl3 kernel 6.6.152.1-1 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: 27 Aug 2026 01:06 UTC
Last revised: 2 Oct 2026 03:03 UTC
Revision note: Information published.

Recorded links

Source evidence when recorded

Microsoft security releases: Complete at observationRead 14 Oct 2026 at 11:21 UTC
CISA KEV: Complete at observationRead 14 Oct 2026 at 11:21 UTC
FIRST EPSS: Complete at observationRead 14 Oct 2026 at 11:21 UTC
Public exploit code: Complete at observationRead 14 Oct 2026 at 11:21 UTC

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

What changed

First observed 14 Oct 2026

14 Oct 2026 Source coverage: msrc-cvrfIncomplete → Current

The most recent 100 field changes are listed. Complete recorded revisions are kept separately.

Cite this recorded revision to keep the same title, summary, facts and links when the page changes.

A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.