# CVE-2019-1069: Task Scheduler Elevation of Privilege Vulnerability CVE-2019-1069 is fixed in 24 products on 1 platform, first by KB4503267, released June 11, 2019. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 15, 2022, with known ransomware use. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/cve/CVE-2019-1069 - Priority: Patch now - CVSS: 7.8 (Important) - EPSS: 0.0617 - CISA KEV: listed Mar 15, 2022, federal due date Apr 5, 2022, known ransomware use - Exploited (vendor report): no - Publicly disclosed: yes - Vendor exploitability assessment: Exploitation More Likely - Published: Jun 11, 2019 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1069 ## Description

An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system.

To exploit the vulnerability, an attacker would require unprivileged code execution on a victim system.

The security update addresses the vulnerability by correctly validating file operations.

## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.3025 | [KB4503267](https://patchblox.com/security/data/fix/microsoft/kb4503267.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.3025 | [KB4503267](https://patchblox.com/security/data/fix/microsoft/kb4503267.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.1868 | [KB4503279](https://patchblox.com/security/data/fix/microsoft/kb4503279.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.1868 | [KB4503279](https://patchblox.com/security/data/fix/microsoft/kb4503279.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1709 for 32-bit Systems | 16299.1217 | [KB4503284](https://patchblox.com/security/data/fix/microsoft/kb4503284.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1709 for ARM64-based Systems | 16299.1217 | [KB4503284](https://patchblox.com/security/data/fix/microsoft/kb4503284.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.1217 | [KB4503284](https://patchblox.com/security/data/fix/microsoft/kb4503284.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1803 for 32-bit Systems | 17134.829 | [KB4503286](https://patchblox.com/security/data/fix/microsoft/kb4503286.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1803 for ARM64-based Systems | 17134.829 | [KB4503286](https://patchblox.com/security/data/fix/microsoft/kb4503286.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.829 | [KB4503286](https://patchblox.com/security/data/fix/microsoft/kb4503286.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.557 | [KB4503327](https://patchblox.com/security/data/fix/microsoft/kb4503327.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.557 | [KB4503327](https://patchblox.com/security/data/fix/microsoft/kb4503327.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.557 | [KB4503327](https://patchblox.com/security/data/fix/microsoft/kb4503327.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1903 for 32-bit Systems | 18362.175 | [KB4503293](https://patchblox.com/security/data/fix/microsoft/kb4503293.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1903 for ARM64-based Systems | 18362.175 | [KB4503293](https://patchblox.com/security/data/fix/microsoft/kb4503293.md) | Jun 11, 2019 | | Microsoft | Windows 10 Version 1903 for x64-based Systems | 18362.175 | [KB4503293](https://patchblox.com/security/data/fix/microsoft/kb4503293.md) | Jun 11, 2019 | | Microsoft | Windows 10 for 32-bit Systems | 10240.18244 | [KB4503291](https://patchblox.com/security/data/fix/microsoft/kb4503291.md) | Jun 11, 2019 | | Microsoft | Windows 10 for x64-based Systems | 10240.18244 | [KB4503291](https://patchblox.com/security/data/fix/microsoft/kb4503291.md) | Jun 11, 2019 | | Microsoft | Windows Server 2016 | 14393.3025 | [KB4503267](https://patchblox.com/security/data/fix/microsoft/kb4503267.md) | Jun 11, 2019 | | Microsoft | Windows Server 2016 (Server Core installation) | 14393.3025 | [KB4503267](https://patchblox.com/security/data/fix/microsoft/kb4503267.md) | Jun 11, 2019 | | Microsoft | Windows Server 2019 | 17763.557 | [KB4503327](https://patchblox.com/security/data/fix/microsoft/kb4503327.md) | Jun 11, 2019 | | Microsoft | Windows Server 2019 (Server Core installation) | 17763.557 | [KB4503327](https://patchblox.com/security/data/fix/microsoft/kb4503327.md) | Jun 11, 2019 | | Microsoft | Windows Server, version 1803 (Server Core Installation) | 17134.829 | [KB4503286](https://patchblox.com/security/data/fix/microsoft/kb4503286.md) | Jun 11, 2019 | | Microsoft | Windows Server, version 1903 (Server Core installation) | 18362.175 | [KB4503293](https://patchblox.com/security/data/fix/microsoft/kb4503293.md) | Jun 11, 2019 | --- Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo