CVE-2019-1458
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to...
CVE-2019-1458 is a high vulnerability (CVSS 7.8) in Microsoft Win32k, published December 10, 2019. CISA lists it as known to be exploited, since January 10, 2022. EUVD reports exploitation since January 10, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 74.4%, the 99th percentile. No source names a fixed version.
- Severity
- 7.8 HighCVSS 3.1, NVD
- Exploit chance
- 74.4%EPSS, 99th percentile
- Exploitation
- ExploitedCISA KEV,
- Fixed in
- No fix listedNo source names one
Description
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'.
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
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Microsoft Windows Uninitialized Variable Local Privilege Elevation | 2019-12-10 |
| Exploit-DB | Microsoft Windows - 'WizardOpium' Local Privilege Escalation | 2020-03-03 |
| PoC in GitHub | piotrflorczyk/cve-2019-1458_POC | 2020-03-03 |
| PoC in GitHub | rip1s/CVE-2019-1458 | 2020-03-11 |
What each source reports
NVD Score used
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'.
- Record
CVE-2019-1458- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List
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'.
- Record
CVE-2019-1458- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2019-10015
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'.
- Record
EUVD-2019-10015- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hqp5-7hf2-3rq4
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to...
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'.
- Record
GHSA-hqp5-7hf2-3rq4- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
CISA KEVNo score
Microsoft Win32k Privilege Escalation Vulnerability
A privilege escalation vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k EoP.
- Record
CVE-2019-1458- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| 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.
References
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1458
packetstormsecurity.com/files/156651/Microsoft-Windows-WizardOpium-Local-Privilege-Escalation.html
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1458
nvd.nist.gov/vuln/detail/CVE-2019-1458
github.com/advisories/GHSA-hqp5-7hf2-3rq4