SB2026041574 - Multiple vulnerabilities in Microsoft Windows Kernel
Published: April 15, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Double free (CVE-ID: CVE-2026-26163)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in Windows Kernel. A local user can pass specially crafted data to the application, trigger double free error and gain elevated privileges on the target system.
2) Inclusion of Sensitive Information in Log Files (CVE-ID: CVE-2026-32215)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to software stores sensitive information into log files within Windows Kernel. A local user can read the log files and gain access to sensitive data.
3) Inclusion of Sensitive Information in Log Files (CVE-ID: CVE-2026-32217)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to software stores sensitive information into log files within Windows Kernel. A local user can read the log files and gain access to sensitive data.
4) Inclusion of Sensitive Information in Log Files (CVE-ID: CVE-2026-32218)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to software stores sensitive information into log files within Windows Kernel. A local user can read the log files and gain access to sensitive data.
5) Double free (CVE-ID: CVE-2026-26179)
The vulnerability allows a local user to escalate privileges on the target system.
The vulnerability exists due to a boundary error in Windows Kernel. A local user can pass specially crafted data to the application, trigger double free error and gain elevated privileges on the system.
6) Heap-based buffer overflow (CVE-ID: CVE-2026-26180)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in Windows Kernel. A local user can pass specially crafted data to the application, trigger a heap-based buffer overflow and gain elevated privileges on the target system.
7) Stack-based buffer overflow (CVE-ID: CVE-2026-32195)
The vulnerability allows a local user to escalate privileges on the target system.
The vulnerability exists due to a boundary error in Windows Kernel. A local user can trigger stack-based buffer overflow and gain elevated privileges on the target system.
Remediation
Install update from vendor's website.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26163
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32215
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32217
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32218
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26179
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26180
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32195