Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
Microsoft
CVE-2026-21247 CVSS 7.3
2026-02-10 08:00 UTC · 2026-02-10 05:00 -03
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.
Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally.
Untrusted pointer dereference in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.