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High severity8.8NVD Advisory· Published Aug 11, 2026· Updated Aug 11, 2026

CVE-2026-62823

CVE-2026-62823

Description

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

Affected products

1

Microsoft/Windows Server DHCP servicellm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62823nvd

News mentions

2

Microsoft's August 2026 Patch Tuesday Addresses 398 CVEs (CVE-2026-68820)
Tenable Blog · Aug 11, 2026
Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-Days
Cyber Security News · Aug 11, 2026