Home › Microsoft Patch Tuesday › April 2025
Microsoft Patch Tuesday, April 2025
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Microsoft's April 2025 security release, published April 8, 2025: 35 updates fixing 107 CVEs, ranked by confirmed exploitation, ransomware use, and severity. Provided by Senserva.
Still active now. 1 CVE from this release is on the Senserva hot list today (as of 2026-08-30), still ranked among the most dangerous vulnerabilities right now by confirmed exploitation, ransomware use, EPSS, and severity. See the current hot list.
35
Updates (KBs)
107
CVEs fixed
1
On the CISA KEV list
1
Ransomware-linked
0
Critical updates
Actively exploited CVEs (CISA KEV)
CVE-2025-29824Windows Common Log File System Driver Elevation of Privilege VulnerabilityCVSS 7.8ExploitedRansomware Hot now
Other high-risk CVEs (CVSS 8.8+)
CVE-2025-26669Windows Routing and Remote Access Service (RRAS) Information Disclosure VulnerabilityCVSS 8.8
Products fixed this month
Windows 10 Version 1809 for 32-bit Systems (15)Windows 10 Version 1809 for x64-based Systems (15)Windows Server 2019 (15)Microsoft Office 2019 for 32-bit editions (15)Microsoft SharePoint Server 2019 (8)Microsoft Office 2019 for 64-bit editions (8)Office Online Server (7)Microsoft SharePoint Enterprise Server 2016 (5)Microsoft 365 Apps for Enterprise for 32-bit Systems (4)Microsoft Dynamics 365 Business Central Wave 1 2024: Update 24.12 (3)
Every update in this release
All 35 update articles, worst first: anything on the CISA KEV list, then by highest CVSS. Each row links our page for the update, Microsoft's support article, and the Update Catalog for a standalone download.
| Update | Severity | Max CVSS | CVEs fixed | Products | Also |
|---|---|---|---|---|---|
| KB5055519 Exploited Ransomware | High | 8.8 | 73 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055526 Exploited Ransomware | High | 8.8 | 77 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055518 Exploited Ransomware | High | 8.8 | 59 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055528 Exploited Ransomware | High | 8.8 | 65 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055523 Exploited Ransomware | High | 8.8 | 82 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055527 Exploited Ransomware | High | 8.8 | 73 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055547 Exploited Ransomware | High | 8.8 | 43 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055521 Exploited Ransomware | High | 8.8 | 60 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055609 Exploited Ransomware | High | 8.8 | 39 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055596 Exploited Ransomware | High | 8.8 | 39 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055561 Exploited Ransomware | High | 8.8 | 42 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055570 Exploited Ransomware | High | 8.8 | 42 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055581 Exploited Ransomware | High | 8.8 | 47 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5055557 Exploited Ransomware | High | 8.8 | 55 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5002692 | High | 8.8 | 4 | Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editions | Support · Catalog |
| KB5002691 | High | 8.8 | 4 | Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editions | Support · Catalog |
| KB5002705 | High | 8.8 | 2 | Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition | Support · Catalog |
| KB5055515 | High | 8.6 | 1 | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 | Support · Catalog |
| KB5002699 | High | 7.8 | 3 | Office Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions | Support · Catalog |
| KB5002704 | High | 7.8 | 3 | Office Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions | Support · Catalog |
| KB5002669 | High | 7.8 | 1 | Microsoft Office 2016 (64-bit edition) | Support · Catalog |
| KB5002700 | High | 7.8 | 7 | Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit Systems | Support · Catalog |
| KB5002623 | High | 7.8 | 7 | Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit Systems | Support · Catalog |
| KB5002680 | High | 7.8 | 2 | Office Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions | Support · Catalog |
| KB4484432 | High | 7.8 | 1 | Office Online Server, Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions | Support · Catalog |
| KB5002682 | High | 7.8 | 2 | Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editions | Support · Catalog |
| KB5002702 | High | 7.8 | 3 | Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editions | Support · Catalog |
| KB5002622 | High | 7.8 | 1 | Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit Systems | Support · Catalog |
| KB5002588 | High | 7.8 | 1 | Office Online Server, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editions | Support · Catalog |
| KB5002703 | High | 7.8 | 1 | Office Online Server, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editions | Support · Catalog |
| KB5002701 | High | 7.8 | 1 | Office Online Server, Microsoft SharePoint Server 2019, Microsoft Office 2019 for 32-bit editions | Support · Catalog |
| KB5002573 | High | 7.5 | 1 | Microsoft Office 2019 for 32-bit editions, Microsoft Office 2019 for 64-bit editions, Microsoft 365 Apps for Enterprise for 32-bit Systems | Support · Catalog |
| KB5056717 | Medium | 5.5 | 1 | Microsoft Dynamics 365 Business Central Wave 1 2024: Update 24.12, Microsoft Dynamics 365 Business Central 2023 Wave 2: Update 23.18, Microsoft Dynamics 365 Business Central 2024 Wave 2: Update 25.6 | Support · Catalog |
| KB5056716 | Medium | 5.5 | 1 | Microsoft Dynamics 365 Business Central Wave 1 2024: Update 24.12, Microsoft Dynamics 365 Business Central 2023 Wave 2: Update 23.18, Microsoft Dynamics 365 Business Central 2024 Wave 2: Update 25.6 | Support · Catalog |
| KB5056718 | Medium | 5.5 | 1 | Microsoft Dynamics 365 Business Central Wave 1 2024: Update 24.12, Microsoft Dynamics 365 Business Central 2023 Wave 2: Update 23.18, Microsoft Dynamics 365 Business Central 2024 Wave 2: Update 25.6 | Support · Catalog |
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