SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-69878

Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code locally.

MEDIUM 6.4EPSS 0.26%

Does this matter?

Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.

Description

Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code locally.

CVSS 3.1
6.4 MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.26% probability · 17th percentile
CISA KEV
Not listed
Weakness
CWE-122
Affected
microsoft/windows 10 1607 · microsoft/windows 10 1809 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 2025
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.