CVE-2026-20841 Windows Notepad App Remote Code Execution Vulnerability
Published February 13, 2026
Added FAQ information. This is an informational change only.
Published February 13, 2026
Added FAQ information. This is an informational change only.
Published February 13, 2026
Improper neutralization of special elements used in a command (‘command injection’) in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
Published February 13, 2026
Access of resource using incompatible type (‘type confusion’) in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Published February 13, 2026
Added Affected Software for Windows packages
Published February 12, 2026
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
Published February 12, 2026
Use after free in Windows Cluster Client Failover allows an authorized attacker to elevate privileges locally.
Published February 12, 2026
Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
Published February 12, 2026
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
Published February 12, 2026
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Published February 12, 2026
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.
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