NCSC-2026-9 — Vulnetix

NCSC-2026-9 PUBLISHED CVSS 7.5 HIGH

A vulnerability in Windows Admin Center allows an authorized attacker to improperly verify cryptographic signatures, enabling local privilege escalation.

Risk Scores

CVSS 3.1

7.5

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected Products

Vendor	Product	Versions
Microsoft	vers:unknown/*

Timeline

Jan 13, 2026 CVE Published
Mar 20, 2026 Security Advisory
Mar 20, 2026 Security Advisory
Mar 20, 2026 Security Advisory
Mar 20, 2026 Security Advisory

References

https://advisories.ncsc.nl/csaf/v2/2026/ncsc-2026-0009.json advisory
https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-20965.json advisory
https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21224.json advisory
https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21226.json advisory

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