How severe is CVE-2019-0547?

CVE-2019-0547 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-0547 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 71% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0547?

CVE-2019-0547 affects Microsoft Windows 10. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-0547?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-0547 published?

CVE-2019-0547 was published on 2019-01-08 and last updated on 2026-06-17.

CVE-2019-0547

CVE-2019-0547 is a critical-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 71% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 71% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Microsoft Windows 10
Published: 2019-01-08
Last modified: 2026-06-17

Description

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 affects Windows 10, Windows 10 Servers.

Frequently asked questions

What is CVE-2019-0547?: 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 affects Windows 10, Windows 10 Servers.
How severe is CVE-2019-0547?: CVE-2019-0547 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-0547 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 71% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0547?: CVE-2019-0547 affects Microsoft Windows 10. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-0547?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-0547 published?: CVE-2019-0547 was published on 2019-01-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*

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