Code Injection in Microsoft Windows and Windows Server - CVE-2026-119904

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Main Vulnerability Database Vulnerabilities #VU165330

Code Injection in Microsoft Windows and Windows Server - CVE-2026-119904

Published: November 11, 2026


Vulnerability identifier: #VU165330
CSH Severity: Low
CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-119904
CWE-ID: CWE-94
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges from a low integrity sandboxed execution environment to a medium integrity level.

The vulnerability exists due to improper control of code generation in Microsoft Windows Speech when generating executable code. A local user can inject code to elevate privileges beyond the sandbox's integrity boundary.

Successful exploitation requires the user's desktop to be unlocked and a suitable application window to be in the foreground.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-119904

Install security update from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7846, 10 22H2 10.0.19045.7846, 10 1809 10.0.17763.9487, 11 23H2 10.0.22631.7711, 11 24H2 10.0.26100.9911, 11 24H2 10.0.26100.9974, 11 25H2 10.0.26200.9911, 11 25H2 10.0.26200.9974, 11 26H1 10.0.28000.3501
Windows Server - addressed in versions 2019 10.0.17763.9487, 2022 10.0.20348.5870, 2025 10.0.26100.33730, 2025 10.0.26100.33822

External References

Related Security Bulletins