CVE-2019-1458 KEV EXPLOIT
7.8
HIGH · CVSS 3.1 · EPSS 74.3% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2022-07-10.
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'.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 74.26% — more likely to be exploited than 99% of all CVEs |
| On CISA KEV | yes — remediate by 2022-07-10 |
| Public exploit | yes |
| Published | 2019-12-10 |
| Last modified | 2026-08-12 |
CISA KEV
| Name | Microsoft Win32k Privilege Escalation Vulnerability |
|---|---|
| Added | 2022-01-10 |
| Due | 2022-07-10 |
| Vendor / product | Microsoft / Win32k |
| Ransomware use | known |
Affected (8)
| Vendor | Product |
|---|---|
| microsoft | windows 10 1507 |
| microsoft | windows 10 1607 |
| microsoft | windows 7 |
| microsoft | windows 8.1 |
| microsoft | windows rt 8.1 |
| microsoft | windows server 2008 |
| microsoft | windows server 2012 |
| microsoft | windows server 2016 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Windows - 'WizardOpium' Local Privilege Escalation | 2020-03-03 |
References
- http://packetstormsecurity.com/files/156651/Microsoft-Windows-WizardOpium-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/159569/Microsoft-Windows-Uninitialized-Variable-Local-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1458
- http://packetstormsecurity.com/files/156651/Microsoft-Windows-WizardOpium-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/159569/Microsoft-Windows-Uninitialized-Variable-Local-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1458
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1458
→ the Explorer · watch your stack · NVD