CVE-2026-42987

Summary

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

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows Server 20126.2.9200.0 < 6.2.9200.26132affected
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 < 6.2.9200.26132affected
MicrosoftWindows Server 2012 R26.3.9600.0 < 6.3.9600.23228affected
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 < 6.3.9600.23228affected
MicrosoftWindows Server 201610.0.14393.0 < 10.0.14393.9234affected
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 < 10.0.14393.9234affected
MicrosoftWindows Server 201910.0.17763.0 < 10.0.17763.8880affected
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 < 10.0.17763.8880affected
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

ADP Enrichment

CISA ADP Vulnrichment

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

References