CVE-2026-85880 : faille exploitée microsoft windows 10 1607 (CVSS 7.8)

Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.

Sévérité

Élevée (CVSS 7.8)

Vecteur CVSS

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

Exploitation active

Oui, inscrite au catalogue CISA KEV

Publication

8 sept. 2026

Dernière mise à jour

24 sept. 2026

• microsoft windows 10 1607
• microsoft windows 10 1809
• microsoft windows 10 21h2
• microsoft windows 10 22h2
• microsoft windows server 2012
• microsoft windows server 2016
• microsoft windows server 2019
• microsoft windows server 2022

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

• Fiche CVE-2026-85880 sur le NVD (NIST)
• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85880
• cisa.gov/known-exploited-vulnerabilities-catalog