CVE-2026-21525 : faille exploitée microsoft windows 10 1607 (CVSS 6.2)

Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.

Sévérité

Moyenne (CVSS 6.2)

Vecteur CVSS

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

Exploitation active

Oui, inscrite au catalogue CISA KEV

Publication

10 févr. 2026

Dernière mise à jour

17 juin 2026

• microsoft windows 10 1607
• microsoft windows 10 1809
• microsoft windows 10 21h2
• microsoft windows 10 22h2
• microsoft windows 11 23h2
• microsoft windows 11 24h2
• microsoft windows 11 25h2
• microsoft windows server 2012
• microsoft windows server 2016
• microsoft windows server 2019
• microsoft windows server 2022
• microsoft windows server 2022 23h2
• microsoft windows server 2025

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

• Fiche CVE-2026-21525 sur le NVD (NIST)
• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21525
• vicarius.io/vsociety/posts/cve…
• vicarius.io/vsociety/posts/cve…
• cisa.gov/known-exploited-vulnerabilities-catalog