CVE-2026-62803

HighCVSS 7.8/10Last modified Sep 2, 2026

Description

Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-59

Affected software

No affected versions have been published.

Timeline

Published
Aug 11, 2026
Last modified
Sep 2, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-628047.8External control of file name or path in Microsoft Office Word allows an unauthorized attacker to execute code locally.CVE-2026-628077.8Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges loCVE-2026-62818.8A potential vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow a remote authenticated user on the locCVE-2026-628107.8Heap-based buffer overflow in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges locally.CVE-2026-628117.8Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.CVE-2026-628127.8Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges loCVE-2026-628137.5Use after free in Active Directory Domain Services allows an authorized attacker to execute code over a network.CVE-2026-628146.5Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent netwoCVE-2026-628159.8Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.CVE-2026-628168.8Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent CVE-2026-628178.8Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.CVE-2026-628188.8Use after free in Active Directory Certificate Services (AD CS) allows an authorized attacker to execute code over a network.
CVE-2026-62803: High severity, CVSS 7.8 | Vulnix