CVE-2019-0803
Microsoft Win32k Privilege Escalation Vulnerability
Summary
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.
Affected software
Vendor: Microsoft · Product: Win32k
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Microsoft
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2021-34473 | Microsoft Exchange Server Remote Code Execution Vulnerability | 100.0% | Yes |
| CVE-2021-26855 | Microsoft Exchange Server Remote Code Execution Vulnerability | 100.0% | Yes |
| CVE-2019-0708 | Microsoft Remote Desktop Services Remote Code Execution Vulnerability | 100.0% | Yes |
| CVE-2015-1635 | Microsoft HTTP.sys Remote Code Execution Vulnerability | 100.0% | Yes |
| CVE-2021-34523 | Microsoft Exchange Server Privilege Escalation Vulnerability | 100.0% | Yes |
| CVE-2022-41082 | Microsoft Exchange Server Remote Code Execution Vulnerability | 100.0% | Yes |
| CVE-2012-0158 | Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability | 100.0% | Yes |
| CVE-2020-0688 | Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability | 100.0% | Yes |
Is your domain exposed?
Run a free, instant security report for any domain — exposure score, email auth, TLS and breach metadata.
Get your free reportAll information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.