CVE-2026-21231 Windows Kernel Elevation of Privilege Vulnerability

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CVE-2026-21231

CVE-2026-21231 describes a race condition in the Windows Kernel involving concurrent execution on a shared resource with improper synchronization, enabling local privilege escalation for an authorized attacker. The vulnerability impact is: local attack vector, requiring low privileges, no user in...

CVE-2026-21231

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Kernel allows an authorized attacker to elevate privileges locally...

CVE-2026-21239 Windows Kernel Elevation of Privilege Vulnerability

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CVE-2026-21239

CVE-2026-21239 describes a heap-based buffer overflow in the Windows Kernel. An authorized attacker can achieve local privilege escalation. The vulnerability is rated CVSS v3.1 base score 7.8 (HIGH) with LOCAL, low complexity, and no user interaction required beyond initial access, and it has hig...

CVE-2026-21239

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally...

CVE-2026-21239 Windows Kernel Elevation of Privilege Vulnerability

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CVE-2026-21245 Windows Kernel Elevation of Privilege Vulnerability

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CVE-2026-21245

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally...

CVE-2026-21245

CVE-2026-21245 describes a heap-based buffer overflow in the Windows Kernel that enables an authorized local attacker to escalate privileges. The CVSS v3.1 base score is 7.8 (HIGH) with LOCAL attack vector, LOW attack complexity, and LOW privileges required, and no user interaction. Impact is HIG...

Windows Kernel Information Disclosure Vulnerability

Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally...

Windows Kernel Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Kernel allows an authorized attacker to elevate privileges locally...

Windows Kernel Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally...

Windows Kernel Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally...

PT-2026-7343

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally...

Microsoft Windows Kernel 日志信息泄露漏洞

The Microsoft Windows Kernel is the kernel of the Windows operating system developed by Microsoft Corporation. The Microsoft Windows Kernel has a vulnerability related to log information leakage. Attackers can exploit this vulnerability to obtain sensitive information. The following products and...

CVE-2026-21239: Heap-based Buffer Overflow

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally...

CVE-2026-21231: Concurrent Execution using Shared Resource with Improper Synchronization

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Kernel allows an authorized attacker to elevate privileges locally...

KLA90878 Multiple vulnerabilities in Microsoft Products (ESU)

Multiple vulnerabilities were found in Microsoft Products Extended Security Update. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges, bypass security restrictions, spoof user interface, obtain sensitive information, cause denial of service. Below is a...

PT-2026-7336

Name of the Vulnerable Software and Affected Versions Windows Kernel affected versions not specified Description A flaw exists in the Windows Kernel related to concurrent execution using a shared resource with improper synchronization, creating a race condition. This can allow an authorized...