Buffer overflow in Microsoft Windows

CVE-2019-0626

A memory corruption vulnerability exists in the Windows Server DHCP service when an attacker sends specially crafted packets to a DHCP server, aka 'Windows DHCP Server Remote Code Execution Vulnerability'.

Vulnerability class: Buffer Overflow

Published · last modified .

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: 0.686 (99.3th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-0626: fell from 0.693 to 0.686.

EPSS over last 30 days · oldest: 0.693 · newest: 0.686 · change: -0.007

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-0626?
CVE-2019-0626 is a critical-severity vulnerability in Microsoft Windows, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-03-05.
How severe is CVE-2019-0626?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-0626 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.