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CVE-2026-45634

nvd nist
Published: Jun 9, 2026Modified: Jun 12, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability: 1.8 / Impact: 3.6
Source: secure@microsoft.com

Description

Out-of-bounds read in Windows DHCP Server allows an authorized attacker to disclose information locally.

Affected (20)

Microsoft
13 products
Windows 10 1607
Windows 10 1809
Windows 10 21h2
Windows 10 22h2
Windows 11 23h2
Windows 11 24h2
Windows 11 25h2
Windows 11 26h1
Windows Server 2012
Windows Server 2016
Windows Server 2019
Windows Server 2022
Windows Server 2025
Configuration A
20 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
Windows 10 1607
Before 10.0.14393.9234
Windows 10 1607
Before 10.0.14393.9234
Microsoft
Windows 10 1809
Before 10.0.17763.8880
Windows 10 1809
Before 10.0.17763.8880
Microsoft
Windows 10 21h2
Before 10.0.19044.7417
Windows 10 21h2
Before 10.0.19044.7417
Windows 10 21h2
Before 10.0.19044.7417
Microsoft
Windows 10 22h2
Before 10.0.19045.7417
Windows 10 22h2
Before 10.0.19045.7417
Windows 10 22h2
Before 10.0.19045.7417
Windows 11 23h2
Before 10.0.22631.7219
Windows 11 24h2
Before 10.0.26100.8655
Windows 11 25h2
Before 10.0.26200.8655
Windows 11 26h1
Before 10.0.28000.2269
Microsoft
Windows Server 2012
All versions
Windows Server 2012
Version r2
Windows Server 2016
Before 10.0.14393.9234
Windows Server 2019
Before 10.0.17763.8880
Windows Server 2022
Before 10.0.20348.5256
Windows Server 2025
Before 10.0.26100.32995

Related CWEs

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

References (1)

Source: secure@microsoft.com
Vendor Advisory

Timeline

No history available yet.