CVE-2021-40449
7.8 Élevée Exploitée activement Utilisée par des rançongicielsCatalogue CISA KEV — Microsoft Windows Win32k Privilege Escalation Vulnerability
Ajoutée le 17/11/2021 · Échéance de correction (agences US) : 01/12/2021
Action requise : Apply updates per vendor instructions.
Description
Win32k Elevation of Privilege Vulnerability
Produits concernés
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows 10 Version 1909
- Microsoft Windows 10 Version 21H1
- Microsoft Windows Server 2022
- Microsoft Windows 10 Version 2004
- Microsoft Windows Server version 2004
- Microsoft Windows 10 Version 20H2
- Microsoft Windows Server version 20H2
- Microsoft Windows 11 version 21H2
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows 7
- Microsoft Windows 7 Service Pack 1
- Microsoft Windows 8.1
- Microsoft Windows Server 2008 Service Pack 2
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
- Microsoft Windows Server 2008 Service Pack 2
- Microsoft Windows Server 2008 R2 Service Pack 1
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 (Server Core installation)
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.8 Élevée | secure@microsoft.com | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 7.8 Élevée | nvd@nist.gov | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | 4.6 Moyenne | nvd@nist.gov (NVD) | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Faiblesses (CWE)
Références
- http://packetstormsecurity.com/files/164926/Win32k-NtGdiResetDC-Use-After-Free-Local-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40449 PatchVendor Advisory
- http://packetstormsecurity.com/files/164926/Win32k-NtGdiResetDC-Use-After-Free-Local-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40449 PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40449 US Government Resource