CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2026-62823: Windows DHCP Server Remote Code Execution Vulnerability

highCVSS 8.8CVE-2026-62823
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over an adjacent network.

CSIRTS triage

vendor: Microsoftproduct: Windows DHCP ServerRemote code executionMemory corruption
What
A heap-based buffer overflow in Windows DHCP Server allows remote code execution over an adjacent network.
Who is affected
Unauthorized attackers with network access to DHCP services on affected Windows systems.
Urgency
Critical severity (CVSS 8.8) with remote exploitation capability; prioritize patching immediately.
Action
Apply the latest Windows security update addressing CVE-2026-62823 urgently or isolate affected DHCP servers.

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

⚡ Watch Windows DHCP Server

Get an email when a new Windows DHCP Server advisory drops — max one per day, one-click unsubscribe.

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 8.8
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62823

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-2026-62823coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

More from Microsoft Security Response Center