CVE-2026-83897
MediumCVSS 4.7Summary
A vulnerability in the Windows Win32 Kernel Subsystem allows exposure of sensitive system information to an unauthorized control sphere. An authorized attacker can disclose information locally.
Risk Assessment
The risk involves leakage of confidential system data, which may aid an attacker in further attacks or privilege escalation.
Recommendation
Apply available security updates from the vendor and restrict local system access to trusted users only.
Other vulnerabilities in Windows Win32 Kernel Subsystem
See all- CVE-2026-96853Medium
Time-of-check time-of-use (toctou) race condition in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
- CVE-2026-96848Medium
Buffer over-read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
- CVE-2026-96249High
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-85858High
Out-of-bounds read in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-85804High
A use after free in the Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-85802High
A use after free in the Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-83909Medium
Exposure of sensitive system information to an unauthorized control sphere in the Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
- CVE-2026-83901High
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
- CVE-2026-83895Medium
A heap-based buffer overflow in the Windows Win32 Kernel Subsystem allows an unauthorized attacker to elevate privileges via a physical attack.
- CVE-2026-83774Medium
Exposure of sensitive system information to an unauthorized control sphere in the Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
Original NVD description (English source)
Exposure of sensitive system information to an unauthorized control sphere in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS