VDB

CVE-2026-42910

CVE-2026-42910 PUBLISHED CVSS 7.8 HIGH

Reported by microsoft · Published June 9, 2026

Out-of-bounds write in Windows Hotpatch Monitoring Service allows an authorized attacker to elevate privileges locally.

Risk Scores

CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected Products

VendorProductVersions
MicrosoftWindows 11 Version 24H210.0.26100.0
MicrosoftWindows 11 Version 25H210.0.26200.0
MicrosoftWindows 11 version 26H110.0.28000.0
MicrosoftWindows Server 202510.0.26100.0
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0
MicrosoftWindows 11 version 26H110.0.28000.0, 10.0.28000.0, 10.0.28000.0
MicrosoftWindows Server 202510.0.26100.0, 10.0.26100.0, 10.0.26100.0
MicrosoftWindows 11 Version 25H210.0.26200.0, 10.0.26200.0, 10.0.26200.0
microsoftwindows_11_25H210.0.26200.0, 10.0.26200.0, 10.0.26200.0
microsoftwindows_server_202510.0.26100.0, 10.0.26100.0, 10.0.26100.0
microsoftwindows_11_24H210.0.26100.0, 10.0.26100.0, 10.0.26100.0
MicrosoftWindows 11 Version 24H210.0.26100.0, 10.0.26100.0, 10.0.26100.0
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0, 10.0.26100.0, 10.0.26100.0
microsoftwindows_11_26H110.0.28000.0, 10.0.28000.0, 10.0.28000.0

Timeline

  • Jun 9, 2026 CVE Published
  • Jun 10, 2026 Coalition ESS Score
  • Jun 10, 2026 Security Advisory
  • Jun 10, 2026 Security Advisory

References

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