Veille CVE
CVE-2026-20805
5.5 Moyenne Exploitée activementCatalogue CISA KEV — Microsoft Windows Information Disclosure Vulnerability
Ajoutée le 13/01/2026 · Échéance de correction (agences US) : 03/02/2026
Action requise : Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description
Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.
Produits concernés
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 (Server Core installation)
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core installation)
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
- Microsoft windows 10 1607
- Microsoft windows 10 1809
- Microsoft windows 10 21h2
- Microsoft windows 10 22h2
- Microsoft windows 11 23h2
- Microsoft windows 11 24h2
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 5.5 Moyenne | secure@microsoft.com | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Faiblesses (CWE)
Références
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20805 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20805 US Government Resource