Patch tracker / CVE reference / CVE-2025-50164
CVE-2025-50164
CVE-2025-50164 is a Microsoft vulnerability that Microsoft rates Important, with a CVSS score of 8.0 (High). Its EPSS score puts the probability of exploitation in the next 30 days at 51%. Microsoft has shipped the fix: deploy one of the 13 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.
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Microsoft rates it Important. CVSS 8.0 (High). Fixed by 13 Microsoft security updates.
Risk summary
Not in the CISA KEV catalog. EPSS exploit probability 51%. CVSS 8.0 (High).
This CVE is among the top half of tracked Microsoft CVEs by EPSS exploit probability.
Third in the four-bug Critical RRAS cluster on Server 2019 and 2022, rated CVSS 9.8 with a 36 percent EPSS score. RRAS parses complex legacy VPN and routing protocols, a rich source of memory corruption, and this batch confirms the seam has not run dry. The practical exposure question is unchanged across the cluster: is the RRAS service running and reachable.
Do this: After patching, port-scan your perimeter for RRAS-associated services to confirm no forgotten VPN endpoint is still exposed and unpatched.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2025-50164
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Official patch(es) for CVE-2025-50164
High priority: EPSS puts the odds of near-term exploitation high. In Intune or Defender, confirm whether the fixing updates KB5063812, KB5063871, KB5063877, KB5063878, KB5063880, KB5063888, KB5063899, KB5063906, KB5063927, KB5063947, KB5063948, KB5063950, KB5064010 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.
Apply the Microsoft security updates below to fix CVE-2025-50164. Each KB page carries the Microsoft Update Catalog download, Microsoft's known issues for the update, a copy-paste PowerShell check for whether it is installed, and the Senserva AI read.
Scope and sources
- Affected products
- Windows 10 Version 1607 for 32-bit Systems
- Windows 10 Version 1607 for x64-based Systems
- Windows 10 Version 1809 for 32-bit Systems
- Windows 10 Version 1809 for x64-based Systems
- Windows 11 Version 24H2 for ARM64-based Systems
- Windows 11 Version 24H2 for x64-based Systems
- Windows Server 2008 R2 for x64-based Systems Service Pack 1
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
- Windows Server 2008 for 32-bit Systems Service Pack 2
- Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
- Windows Server 2008 for x64-based Systems Service Pack 2
- Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
- Windows Server 2012
- Windows Server 2012 (Server Core installation)
- Windows Server 2012 R2
- Windows Server 2012 R2 (Server Core installation)
- Windows Server 2016
- Windows Server 2016 (Server Core installation)
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
- Windows Server 2022, 23H2 Edition (Server Core installation)
- Windows Server 2025
- Windows Server 2025 (Server Core installation)
- Fixed by the same updates
- Authoritative references
Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.