CVE-2019-0808

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to...

7.8 HighIn KEVPublic exploit

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-2019-0797.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

53.0%Down 17.4 points since Apr 14, 2021

What each source reports

NVD Score used 7.8

Record: CVE-2019-0808
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Updated: 2026-11-02

CVE List 7.8

Record: CVE-2019-0808
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

EUVDEUVD-2019-1563 7.8

Record: EUVD-2019-1563
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-8wc3-99q7-2qvc 7.8

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to...

Record: GHSA-8wc3-99q7-2qvc
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

CISA KEV No score

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft Win32k contains a privilege escalation vulnerability due to the component failing to properly handle objects in memory. Successful exploitation allows an attacker to run code in kernel mode.

Record: CVE-2019-0808
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Metasploit	Microsoft Windows NtUserMNDragOver Local Privilege Elevation	2019-03-12
PoC in GitHub	ze0r/cve-2019-0808-poc	2019-03-25
Exploit-DB	Microsoft Windows 7/2008 - 'Win32k' Denial of Service (PoC)	2019-03-26
PoC in GitHub	rakesh143/CVE-2019-0808	2019-04-21
PoC in GitHub	exodusintel/CVE-2019-0808	2019-05-17

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-0808 is a high vulnerability (CVSS 7.8) in Microsoft Win32k, published April 9, 2019. CISA lists it as known to be exploited, since November 3, 2021. EUVD reports exploitation since November 3, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 53.0%, the 98th percentile. No source names a fixed version.