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HIGH

CVE-2019-0959

CVSS v3

7

HIGH

EPSS Score

3.5 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2019-0959 yet.

Full record on NVD

Description

An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system. The security update addresses the vulnerability by correcting how CLFS handles objects in memory.

Technical details

Published
2019-06-12
Exploit-DB
EDB-47028

Frequently asked questions

What is CVE-2019-0959?

An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system. The security update addresses the vulnerability by correcting how CLFS handles objects in memory.

Is CVE-2019-0959 actively exploited?

Active exploitation of CVE-2019-0959 has not been confirmed. Its EPSS score was 3.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-0959?

CVE-2019-0959 has a CVSS v3 base score of 7 (HIGH severity).

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