# KB4480963: January 2019 security update KB4480963, released January 8, 2019, fixes 19 CVEs across 9 products. 2 of them are being exploited (CVE-2019-0541); 2 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/microsoft/kb4480963 - Platform: Microsoft - Released: Jan 8, 2019 - Priority: Patch now (Closes CVE-2019-0541, exploited (CISA KEV)) - CVEs: 19, exploited: 2, on CISA KEV: 2 - Vendor advisory: https://support.microsoft.com/help/4480963 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Internet Explorer 11 on Windows 8.1 for 32-bit systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-8.1-for-32-bit-systems.md) | | | | [Internet Explorer 11 on Windows 8.1 for x64-based systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-8.1-for-x64-based-systems.md) | | | | [Internet Explorer 11 on Windows RT 8.1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-rt-8.1.md) | | | | [Internet Explorer 11 on Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2012-r2.md) | | | | [Windows 8.1 for 32-bit systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-32-bit-systems.md) | | | | [Windows 8.1 for x64-based systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-x64-based-systems.md) | | | | [Windows RT 8.1](https://patchblox.com/security/data/product/microsoft/windows-rt-8.1.md) | | | | [Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2.md) | | | | [Windows Server 2012 R2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2-server-core-installation.md) | | | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2019-0541](https://patchblox.com/security/data/cve/CVE-2019-0541.md) | Patch now | Internet Explorer | 6.4 | 0.5320 | CISA KEV | | [CVE-2019-0543](https://patchblox.com/security/data/cve/CVE-2019-0543.md) | Patch now | Microsoft Windows | 7.8 | 0.0468 | CISA KEV, Ransomware | | [CVE-2019-0552](https://patchblox.com/security/data/cve/CVE-2019-0552.md) | Urgent | Windows COM | 7.0 | 0.0254 | More likely | | [CVE-2019-0569](https://patchblox.com/security/data/cve/CVE-2019-0569.md) | Urgent | Windows Kernel | 5.5 | 0.0185 | More likely | | [CVE-2019-0538](https://patchblox.com/security/data/cve/CVE-2019-0538.md) | High | Microsoft JET Database Engine | 7.8 | 0.2042 | | | [CVE-2019-0577](https://patchblox.com/security/data/cve/CVE-2019-0577.md) | High | Microsoft JET Database Engine | 7.8 | 0.1727 | | | [CVE-2019-0579](https://patchblox.com/security/data/cve/CVE-2019-0579.md) | High | Microsoft JET Database Engine | 7.8 | 0.1727 | Disclosed | | [CVE-2019-0580](https://patchblox.com/security/data/cve/CVE-2019-0580.md) | High | Microsoft JET Database Engine | 7.8 | 0.1727 | | | [CVE-2019-0576](https://patchblox.com/security/data/cve/CVE-2019-0576.md) | High | Microsoft JET Database Engine | 7.8 | 0.1702 | | | [CVE-2019-0583](https://patchblox.com/security/data/cve/CVE-2019-0583.md) | High | Microsoft JET Database Engine | 7.8 | 0.1608 | | | [CVE-2019-0575](https://patchblox.com/security/data/cve/CVE-2019-0575.md) | High | Microsoft JET Database Engine | 7.8 | 0.1360 | | | [CVE-2019-0578](https://patchblox.com/security/data/cve/CVE-2019-0578.md) | High | Microsoft JET Database Engine | 7.8 | 0.1360 | | | [CVE-2019-0581](https://patchblox.com/security/data/cve/CVE-2019-0581.md) | High | Microsoft JET Database Engine | 7.8 | 0.1360 | | | [CVE-2019-0584](https://patchblox.com/security/data/cve/CVE-2019-0584.md) | High | Microsoft JET Database Engine | 7.8 | 0.1360 | | | [CVE-2019-0582](https://patchblox.com/security/data/cve/CVE-2019-0582.md) | High | Microsoft JET Database Engine | 7.8 | 0.1231 | | | [CVE-2019-0570](https://patchblox.com/security/data/cve/CVE-2019-0570.md) | High | Microsoft Windows | 7.8 | 0.0300 | | | [CVE-2019-0536](https://patchblox.com/security/data/cve/CVE-2019-0536.md) | Routine | Windows Kernel | 4.7 | 0.0185 | | | [CVE-2019-0549](https://patchblox.com/security/data/cve/CVE-2019-0549.md) | Routine | Windows Kernel | 4.7 | 0.0185 | | | [CVE-2019-0554](https://patchblox.com/security/data/cve/CVE-2019-0554.md) | Routine | Windows Kernel | 4.7 | 0.0185 | | --- Data as of 2026-11-09T13:31:49Z UTC. 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