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CVE-2026-45487

HIGH
7.8
CVSS 3.1

Metadata

CVE ID
CVE-2026-45487
State
PUBLISHED
Assigner
microsoft
Reserved
2026-05-12 16:07 UTC
Published
2026-06-09 17:04 UTC
Last updated
2026-06-10 17:53 UTC
Primary CWE
CWE-367
CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
Vendor / Product
Microsoft / Windows 10 Version 21H2
Sources
cve.org  ·  NVD

Severity & Metrics

7.8 HIGH CVSS 3.1
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
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-367 cna CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.8 HIGH 3.1 cna 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
References (1)
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