What’s Vulnerable › Vulnerabilities

CVE-2026-44814: Windows DWM Core Library Information Disclosure Vulnerability

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-09 · updated 2026-09-24
• Weakness: CWE-125

Description

Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

Affected products

• Microsoft Windows 11 version 26H1: before 10.0.28000.2269 — fixed in 10.0.28000.2269
• Microsoft Windows 11 version 26H1: from 10.0.28000.0 before 10.0.28000.2269 — fixed in 10.0.28000.2269

How to fix

Upgrade to a fixed version: Microsoft Windows 11 version 26H1 10.0.28000.2269; Microsoft Windows 11 version 26H1 10.0.28000.2269. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44814

Get alerted when CVE-2026-44814 or the next vulnerability affects your stack