7.8 Élevée Exploitée

CVE-2026-85880 Microsoft Windows Heap-Based Buffer Overflow Vulnerability

Exploitation active constatée

· catalogue CISA KEV

Action attendue 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.

Campagnes de rançongiciel Non constatée à ce jour

Faiblesse CWE-122, CWE-908

Description

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

Produits et versions touchés

Produit	Versions touchées	Corrigé en
Windows 10 Version 1607 10.0	10.0.14393.0 → < 10.0.14393.9512	10.0.14393.9512
Windows 10 Version 1809 10.0	10.0.17763.0 → < 10.0.17763.9245	10.0.17763.9245
Windows 10 Version 21H2 10.0	10.0.19044.0 → < 10.0.19044.7725	10.0.19044.7725
Windows 10 Version 22H2 10.0	10.0.19045.0 → < 10.0.19045.7725	10.0.19045.7725
Windows Server 2012 6.2	6.2.9200.0 → < 6.2.9200.26349	6.2.9200.26349
Windows Server 2012 (Server Core installation) 6.2	6.2.9200.0 → < 6.2.9200.26349	6.2.9200.26349
Windows Server 2012 R2 6.3	6.3.9600.0 → < 6.3.9600.23398	6.3.9600.23398
Windows Server 2012 R2 (Server Core installation) 6.3	6.3.9600.0 → < 6.3.9600.23398	6.3.9600.23398
Windows Server 2016 10.0	10.0.14393.0 → < 10.0.14393.9512	10.0.14393.9512

Afficher les 4 autres branches

Produit	Versions touchées	Corrigé en
Windows Server 2016 (Server Core installation) 10.0	10.0.14393.0 → < 10.0.14393.9512	10.0.14393.9512
Windows Server 2019 10.0	10.0.17763.0 → < 10.0.17763.9245	10.0.17763.9245
Windows Server 2019 (Server Core installation) 10.0	10.0.17763.0 → < 10.0.17763.9245	10.0.17763.9245
Windows Server 2022 10.0	10.0.20348.0 → < 10.0.20348.5622	10.0.20348.5622

Références

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability msrc.microsoft.com

Chronologie

Publiée 8 septembre 2026
Ajoutée au catalogue KEV 8 septembre 2026
Dernière modification 31 octobre 2026

Les 4535 CVE de Windows 10 Version 1607 →

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