What is CVE-2019-0697?

CVE-2019-0697 is a critical-severity vulnerability in Microsoft Windows, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-04-09.

How severe is CVE-2019-0697?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Microsoft Windows

CVE-2019-0697

A memory corruption vulnerability exists in the Windows DHCP client when an attacker sends specially crafted DHCP responses to a client, aka 'Windows DHCP Client Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0698, CVE-2019-0726.

Vulnerability class: Buffer Overflow

Published 2019-04-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.329 (98.3th percentile), scored 2026-10-18.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.329 · newest: 0.329 · change: 0.000

Affected products

Microsoft Windows — versions 10 Version 1803 for 32-bit Systems, 10 Version 1803 for x64-based Systems, 10 Version 1803 for ARM64-based Systems
Microsoft Windows 10 — versions 1803, 1809
Microsoft Windows Server — versions version 1803 (Core Installation), 2019, 2019 (Core installation)
Microsoft Windows Server 2016 — versions 1803
Microsoft Windows Server 2019

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0697 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2019-0697?: CVE-2019-0697 is a critical-severity vulnerability in Microsoft Windows, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-04-09.
How severe is CVE-2019-0697?: Critical severity. CVSS v3 base score is 9.8 out of 10.