CVE-2026-45657

Summary

Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows 11 version 23H210.0.22631.0 < 10.0.22631.7219affected
MicrosoftWindows 11 Version 23H210.0.22631.0 < 10.0.22631.7219affected
MicrosoftWindows 11 Version 24H210.0.26100.0 < 10.0.26100.8655affected
MicrosoftWindows 11 Version 25H210.0.26200.0 < 10.0.26200.8655affected
MicrosoftWindows 11 version 26H110.0.28000.0 < 10.0.28000.2269affected
MicrosoftWindows Server 202210.0.20348.0 < 10.0.20348.5256affected
MicrosoftWindows Server 202510.0.26100.0 < 10.0.26100.32995affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 < 10.0.26100.32995affected

Weaknesses

  • CWE-416: CWE-416: Use After Free
  • CWE-122: CWE-122: Heap-based Buffer Overflow

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References