CVE-2026-21242 Windows Subsystem for Linux Elevation of Privilege Vulnerability
Published February 12, 2026
Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Published February 12, 2026
Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Published February 12, 2026
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.
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.
Published February 12, 2026
Server-side request forgery (ssrf) in Azure DevOps Server allows an authorized attacker to perform spoofing over a network.
Published February 12, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
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