Vulnerability vector:

• Base vulnerability score (CVSSv3.1): CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
• Severity (CVSSv3.1): 7.8 (high)
• Base vulnerability score (CVSSv4.0): CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
• Severity (CVSSv4.0): 8.5 (high)

Description:

The Local Privilege Escalation (LPE) vulnerability was discovered in the Microsoft Windows DWM Core library. The vulnerability allows an attacker to gain SYSTEM privileges. The affected products:

• Windows Server 2025. 
  Versions: from 10.0.0 before 10.0.26100.2314 and from 10.0.0 before 10.0.26100.2240;
• Windows Server 2025 (Server Core installation). 
  Versions: from 10.0.0 before 10.0.26100.2314 and from 10.0.0 before 10.0.26100.2240;
• Windows 10 Version 1809. 
  Versions: from 10.0.0 before 10.0.17763.6532;
• Windows Server 2019. 
  Versions: from 10.0.0 before 10.0.17763.6532;
• Windows Server 2019 (Server Core installation). 
  Versions: from 10.0.0 before 10.0.17763.6532;
• Windows Server 2022. 
  Versions: from 10.0.0 before 10.0.20348.2849;
• Windows 10 Version 21H2. 
  Versions: from 10.0.0 before 10.0.19044.5131;
• Windows 11 version 22H2. 
  Versions: from 10.0.0 before 10.0.22621.4460;
• Windows 10 Version 22H2. 
  Versions: from 10.0.0 before 10.0.19045.5131 and from 10.0.0 before 10.0.19044.5131;
• Windows 11 version 22H3. 
  Versions: from 10.0.0 before 10.0.22631.4460;
• Windows 11 Version 23H2. 
  Versions: from 10.0.0 before 10.0.22631.4460;
• Windows Server 2022, 23H2 Edition (Server Core installation). 
  Versions: from 10.0.0 before 10.0.25398.1251;
• Windows 11 Version 24H2. 
  Versions: from 10.0.0 before 10.0.26100.2314 and from 10.0.0 before 10.0.26100.2240.

Vulnerability status: Confirmed by vendor

Date of vulnerability remediation: 12.11.2024

Recommendations:

• Security Advisory

Researcher: Sergey Tarasov (Positive Technologies)