Local Privilege Escalation Vulnerability in Microsoft Windows DWM
CVE-2025-30400

7.8HIGH

Key Information:

Badges

👾 Exploit Exists🦅 CISA Reported

What is CVE-2025-30400?

A use after free vulnerability in the Microsoft Windows Desktop Window Manager (DWM) could allow an authorized attacker to elevate privileges locally. By exploiting this flaw, attackers might execute arbitrary commands with elevated privileges, potentially compromising system integrity and confidentiality. It is crucial for users and administrators to apply necessary patches and updates to mitigate risks associated with this vulnerability.

CISA has reported CVE-2025-30400

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2025-30400 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected Version(s)

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7314

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.5854

Windows 10 Version 22H2 x64-based Systems 10.0.19045.0 < 10.0.19045.5854

References

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-30400 : Local Privilege Escalation Vulnerability in Microsoft Windows DWM