CVE-2026-33840

Summary

Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows 11 Version 24H210.0.26100.0 < 10.0.26100.8457affected
MicrosoftWindows 11 Version 25H210.0.26200.0 < 10.0.26200.8457affected
MicrosoftWindows 11 version 26H110.0.28000.0 < 10.0.28000.2113affected
MicrosoftWindows Server 202510.0.26100.0 < 10.0.26100.32860affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 < 10.0.26100.32860affected

Weaknesses

  • CWE-416: CWE-416: Use After Free

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References