CVE-2026-85939
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk30th percentile - higher than 30% of all known CVEs
Summary
Weak authentication in Windows Kernel allows an authorized attacker to bypass a security feature over a network. The vulnerability involves the ability to circumvent protective functions.
Risk Assessment
An attacker with network access could bypass kernel security features, potentially leading to privilege escalation or unauthorized access. However, valid credentials are required.
Recommendation
Urgently install Windows kernel updates and implement additional authentication mechanisms and network segmentation.
Other vulnerabilities in Windows Kernel
See all- CVE-2026-35420High
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2017-11847High
The Windows kernel vulnerability allows an attacker to run arbitrary code in kernel mode, which can lead to installing programs, changing or deleting data, and creating new accounts with full user rights.
- CVE-2017-8561High
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Use-after-free vulnerability in the Windows kernel allows an unauthorized attacker to elevate privileges locally.
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A use-after-free vulnerability in the Windows Kernel allows an unauthorized attacker to execute code remotely over a network.
- CVE-2026-40369High
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-24289High
A use after free vulnerability in the Windows Kernel allows an authorized attacker to locally elevate privileges.
- CVE-2025-62215HighActively exploited
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2024-38106HighActively exploited
A vulnerability in the Windows Kernel allows for elevation of privilege. The NVD description does not provide technical details or required user interaction.
- CVE-2024-30088HighActively exploited
A vulnerability in the Windows kernel allows elevation of privilege. This flaw can be exploited by a local attacker to gain higher privileges on the system.
Original NVD description (English source)
Weak authentication in Windows Kernel allows an authorized attacker to bypass a security feature over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS