CVE-2019-1132VulnerabilityPublished 03/15/2022Updated 10/24/2026

CVE-2019-1132: Microsoft Win32k Privilege Escalation Vulnerability

Affects Microsoft Win32kSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 03/15/2022
KEV deadline: 04/05/2022
EPSS: 9.9% chance of exploitation in 30 days – higher than 95% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2019-1132 (opens in a new tab)

Description

CVE-2019-1132 is a privilege escalation vulnerability in the Microsoft Windows Win32k component. It arises from improper handling of objects in memory, allowing an attacker to elevate privileges on the affected system. This vulnerability has been exploited in the wild. No specific affected versions or patch information is provided in the input data.

Summary

This vulnerability involves the Win32k component of Microsoft Windows failing to properly handle objects in memory, which can be exploited to escalate privileges. The flaw allows attackers to gain higher-level access than intended. It has been observed in active exploitation scenarios. No detailed version or patch information is available from the provided data.

Impact

Successful exploitation of this vulnerability allows an attacker to elevate their privileges on a Windows system, potentially enabling unauthorized actions that require higher privileges. It has been exploited in the wild, indicating active threat usage.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor Microsoft advisories for updates and apply any available security updates promptly.

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 10:42:28 UTC

References

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