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CVE Vulnerability Details :
CVE-2026-42910
PUBLISHED
More InfoOfficial Page
Assigner-microsoft
Assigner Org ID-f38d906d-7342-40ea-92c1-6c4a2c6478c8
View Known Exploited Vulnerability (KEV) details
Published At-09 Jun, 2026 | 17:05
Updated At-10 Jun, 2026 | 03:57
Rejected At-
▼CVE Numbering Authority (CNA)
Windows Hotpatch Monitoring Service Elevation of Privilege Vulnerability

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

Affected Products
Vendor
Microsoft CorporationMicrosoft
Product
Windows 11 Version 24H2
Platforms
  • ARM64-based Systems
  • x64-based Systems
Versions
Affected
  • From 10.0.26100.0 before 10.0.26100.8655 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Windows 11 Version 25H2
Platforms
  • ARM64-based Systems
  • x64-based Systems
Versions
Affected
  • From 10.0.26200.0 before 10.0.26200.8655 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Windows 11 version 26H1
Platforms
  • ARM64-based Systems
  • x64-based Systems
Versions
Affected
  • From 10.0.28000.0 before 10.0.28000.2269 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Windows Server 2025
Platforms
  • x64-based Systems
Versions
Affected
  • From 10.0.26100.0 before 10.0.26100.32995 (custom)
Vendor
Microsoft CorporationMicrosoft
Product
Windows Server 2025 (Server Core installation)
Platforms
  • x64-based Systems
Versions
Affected
  • From 10.0.26100.0 before 10.0.26100.32995 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-787CWE-787: Out-of-bounds Write
Type: CWE
CWE ID: CWE-787
Description: CWE-787: Out-of-bounds Write
Metrics
VersionBase scoreBase severityVector
3.17.8HIGH
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
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42910
vendor-advisory
patch
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42910
Resource:
vendor-advisory
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found