CVE-2019-0803 — Microsoft Win32k Privilege Escalation Vulnerability

Known ransomware use CISA KEV listed Added November 3, 2021 Remediate by May 3, 2022

Description

Microsoft Win32k contains an unspecified vulnerability due to it failing to properly handle objects in memory causing privilege escalation. Successful exploitation allows an attacker to run code in kernel mode.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-0803

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