CVE-2026-42896

Summary

Integer overflow or wraparound in Windows DWM Core Library 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-190: CWE-190: Integer Overflow or Wraparound
  • CWE-122: CWE-122: Heap-based Buffer Overflow

ADP Enrichment

CISA ADP Vulnrichment

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

References