Vulnerability Details : CVE-2019-1458
Public exploit exists!
Used for ransomware!
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'.
Vulnerability category: Gain privilege
Products affected by CVE-2019-1458
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:itanium:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
CVE-2019-1458 is in the CISA Known Exploited Vulnerabilities Catalog
This issue is known to have been leveraged as part of a ransomware campaign.
CISA vulnerability name:
Microsoft Win32k Privilege Escalation Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
A privilege escalation vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k EoP.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2019-1458
Added on
2022-01-10
Action due date
2022-07-10
Exploit prediction scoring system (EPSS) score for CVE-2019-1458
97.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less
Metasploit modules for CVE-2019-1458
-
Microsoft Windows Uninitialized Variable Local Privilege Elevation
Disclosure Date: 2019-12-10First seen: 2020-10-15exploit/windows/local/cve_2019_1458_wizardopiumThis module exploits CVE-2019-1458, an arbitrary pointer dereference vulnerability within win32k which occurs due to an uninitalized variable, which allows user mode attackers to write a limited amount of controlled data to an attacker controlled address in k
CVSS scores for CVE-2019-1458
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-02-07 |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
References for CVE-2019-1458
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1458
CVE-2019-1458 | Win32k Elevation of Privilege VulnerabilityPatch;Vendor Advisory
-
http://packetstormsecurity.com/files/159569/Microsoft-Windows-Uninitialized-Variable-Local-Privilege-Escalation.html
Microsoft Windows Uninitialized Variable Local Privilege Escalation ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
http://packetstormsecurity.com/files/156651/Microsoft-Windows-WizardOpium-Local-Privilege-Escalation.html
Microsoft Windows WizardOpium Local Privilege Escalation ≈ Packet StormExploit;Third Party Advisory;VDB Entry
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