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'.
Published 2019-12-10 22:15:16
Updated 2025-02-07 16:15:31
View at NVD,   CVE.org
Vulnerability category: Gain privilege

Products affected by CVE-2019-1458

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: 2019-12-10
    First seen: 2020-10-15
    exploit/windows/local/cve_2019_1458_wizardopium
    This 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

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