Out-of-bounds read in Microsoft Windows and Windows Server - CVE-2026-119925
Published: November 11, 2026
Vulnerability identifier: #VU165344
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2026-119925
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to elevate privileges from a low integrity level in a sandboxed environment to a medium or high integrity level on the affected system.
The vulnerability exists due to an out-of-bounds read in Windows Text Services Framework when code running in a low-privilege AppContainer interacts with the framework. A local user can exploit the out-of-bounds read locally from that execution environment to escape the sandbox and elevate privileges.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-119925
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
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