HIGH Microsoft Corporation Vulnerability Alert

Product:

Windows DWM Core Library

Summary

Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. This vulnerability can lead to significant security risks if exploited. Attackers with local access can leverage this flaw to gain higher privileges on the system.

Details

Severity Base Score CVE
HIGH 7.8 CVE-2026-42896

Exploitation

To exploit this vulnerability, an attacker must have local access to the affected system. By manipulating the integer values within the Windows DWM Core Library, the attacker can trigger the overflow condition, allowing them to execute arbitrary code with elevated privileges. This can lead to unauthorized access and control over the system.

Affected Products

  • Windows DWM Core Library: Vulnerable to integer overflow, allowing privilege escalation.

Mitigation

To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft. Regularly updating the system and monitoring for unusual activity can help protect against potential exploitation of this flaw.

References