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CVE-2026-62776: Windows DHCP Server Elevation of Privilege Vulnerability

highCVSS 7.8CVE-2026-62776
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.

CSIRTS triage

What
Link-following vulnerability in Windows DHCP Server allows privilege elevation via improper file access resolution.
Who is affected
Authorized local attackers on systems running Windows DHCP Server.
Urgency
High severity (CVSS 7.8); local privilege escalation requiring existing access.
Action
Apply Microsoft security patch for CVE-2026-62776 immediately upon availability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.8
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62776

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-62776coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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