CVE-2026-85880

Summary

Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows 10 Version 160710.0.14393.0 < 10.0.14393.9512affected
MicrosoftWindows 10 Version 180910.0.17763.0 < 10.0.17763.9245affected
MicrosoftWindows 10 Version 21H210.0.19044.0 < 10.0.19044.7725affected
MicrosoftWindows 10 Version 22H210.0.19045.0 < 10.0.19045.7725affected
MicrosoftWindows Server 20126.2.9200.0 < 6.2.9200.26349affected
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 < 6.2.9200.26349affected
MicrosoftWindows Server 2012 R26.3.9600.0 < 6.3.9600.23397affected
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 < 6.3.9600.23397affected
MicrosoftWindows Server 201610.0.14393.0 < 10.0.14393.9512affected
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 < 10.0.14393.9512affected
MicrosoftWindows Server 201910.0.17763.0 < 10.0.17763.9245affected
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 < 10.0.17763.9245affected
MicrosoftWindows Server 202210.0.20348.0 < 10.0.20348.5622affected

Weaknesses

  • CWE-122: CWE-122: Heap-based Buffer Overflow
  • CWE-908: CWE-908: Use of Uninitialized Resource

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: active
    • Automatable: no
    • Technical Impact: total

Additional References

References