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CVE-2026-42904

CRITICAL
9.6
CVSS 3.1

Metadata

CVE ID
CVE-2026-42904
State
PUBLISHED
Assigner
microsoft
Reserved
2026-04-30 22:35 UTC
Published
2026-06-09 17:05 UTC
Last updated
2026-06-16 18:18 UTC
Primary CWE
CWE-122
CWE-122: Heap-based Buffer Overflow
Vendor / Product
Microsoft / Windows 10 Version 21H2
Sources
cve.org  ·  NVD

Severity & Metrics

9.6 CRITICAL CVSS 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
total
Affected products (10)
VendorProductPlatformVersions
Microsoft Windows 10 Version 21H2 32-bit Systems,ARM64-based Systems,x64-based Systems 10.0.19044.0 < 10.0.19044.7417
Microsoft Windows 10 Version 22H2 32-bit Systems,ARM64-based Systems,x64-based Systems 10.0.19045.0 < 10.0.19045.7417
Microsoft Windows 11 version 23H2 ARM64-based Systems 10.0.22631.0 < 10.0.22631.7219
Microsoft Windows 11 Version 23H2 x64-based Systems 10.0.22631.0 < 10.0.22631.7219
Microsoft Windows 11 Version 24H2 ARM64-based Systems,x64-based Systems 10.0.26100.0 < 10.0.26100.8655
Microsoft Windows 11 Version 25H2 ARM64-based Systems,x64-based Systems 10.0.26200.0 < 10.0.26200.8655
Microsoft Windows 11 version 26H1 ARM64-based Systems,x64-based Systems 10.0.28000.0 < 10.0.28000.2269
Microsoft Windows Server 2022 x64-based Systems 10.0.20348.0 < 10.0.20348.5256
Microsoft Windows Server 2025 x64-based Systems 10.0.26100.0 < 10.0.26100.32995
Microsoft Windows Server 2025 (Server Core installation) x64-based Systems 10.0.26100.0 < 10.0.26100.32995
Weakness (CWE)
CWESourceDescription
CWE-122 cna CWE-122: Heap-based Buffer Overflow
CVSS scores (1)
ScoreSeverityVersionSourceVector
9.6 CRITICAL 3.1 cna CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
References (1)
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