CVE-2026-113863

HighCVSS 8.8/10Last modified Nov 10, 2026

Description

Heap-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to elevate privileges over an adjacent network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.9974
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.9974
Microsoft	Windows 11 version 26H1	>= 10.0.28000.0, < 10.0.28000.3501
Microsoft	Windows 11 Version 26H2	>= 10.0.26300.0, < 10.0.26300.9974

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-113863

Timeline

Published: Nov 10, 2026
Last modified: Nov 10, 2026
NVD status: Awaiting Analysis

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