CVE-2019-0859
Microsoft Windows 10 1709
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2019-0859 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10 1709. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 10% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
The vulnerability CVE-2019-0859 is an elevation of privilege issue affecting the Win32k component of Windows, where the software fails to properly handle objects in memory. This flaw is distinct from related issues tracked as CVE-2019-0685 and CVE-2019-0803.
A local attacker with existing low-privileged access can exploit the weakness without user interaction to obtain higher privileges on the system, resulting in full compromise of confidentiality, integrity, and availability.
Microsoft provides mitigation details and patches via its security advisory at portal.msrc.microsoft.com, while CISA lists the vulnerability in its known exploited vulnerabilities catalog, confirming real-world exploitation activity.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2019-1610
Vulnerability Data
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0685, CVE-2019-0803.
- CWE(s)
- KEV Date Added
- 03 November 2021
Related Threats
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Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.