What was in the February 2025 Microsoft Patch Tuesday?

Microsoft released 17 updates fixing 45 CVEs in February 2025, of which 2 were actively exploited (CISA KEV).

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Home › Microsoft Patch Tuesday › February 2025

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Microsoft Patch Tuesday, February 2025

Released February 11, 2025 · data last refreshed 2026-07-09

Microsoft's February 2025 security release, published February 11, 2025: 17 updates fixing 45 CVEs, ranked by confirmed exploitation, ransomware use, and severity. Provided by Senserva.

Updates (KBs)

CVEs fixed

Actively exploited

Critical updates

Actively exploited CVEs (CISA KEV)

CVE-2025-21418Windows Ancillary Function Driver for WinSock Elevation of Privilege VulnerabilityCVSS 7.8Exploited

CVE-2025-21391Windows Storage Elevation of Privilege VulnerabilityCVSS 7.1Exploited

Other high-risk CVEs (CVSS 8.8+)

CVE-2025-21368Microsoft Digest Authentication Remote Code Execution VulnerabilityCVSS 8.8

CVE-2025-21369Microsoft Digest Authentication Remote Code Execution VulnerabilityCVSS 8.8

CVE-2025-21208Windows Routing and Remote Access Service (RRAS) Remote Code Execution VulnerabilityCVSS 8.8

CVE-2025-21406Windows Telephony Service Remote Code Execution VulnerabilityCVSS 8.8

CVE-2025-21407Windows Telephony Service Remote Code Execution VulnerabilityCVSS 8.8

CVE-2025-21410Windows Routing and Remote Access Service (RRAS) Remote Code Execution VulnerabilityCVSS 8.8

CVE-2025-21190Windows Telephony Service Remote Code Execution VulnerabilityCVSS 8.8

CVE-2025-21200Windows Telephony Service Remote Code Execution VulnerabilityCVSS 8.8

CVE-2025-21201Windows Telephony Server Remote Code Execution VulnerabilityCVSS 8.8

CVE-2025-21371Windows Telephony Service Remote Code Execution VulnerabilityCVSS 8.8

Products fixed this month

Windows 10 Version 1809 for 32-bit Systems (9)Windows 10 Version 1809 for x64-based Systems (9)Windows Server 2019 (9)Microsoft Office 2019 for 32-bit editions (5)Microsoft Office 2019 for 64-bit editions (5)Microsoft SharePoint Enterprise Server 2016 (3)Microsoft SharePoint Server 2019 (3)Microsoft SharePoint Server Subscription Edition (3)Office Online Server (3)Microsoft 365 Apps for Enterprise for 32-bit Systems (2)

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I manage Microsoft patching. Facts from the February 2025 Microsoft Patch Tuesday (source: https://senserva.com/patch-tuesday-2025-02, part of the Senserva Patch Tuesday archive at https://senserva.com/patch-tuesday.html): 17 updates (KBs) fixing 45 CVEs, 2 actively exploited (CISA KEV), 0 ransomware-linked, 0 Critical updates.
Actively exploited CVEs: CVE-2025-21418 (CVSS 7.8), CVE-2025-21391 (CVSS 7.1).
Using these facts plus your general knowledge: 1) What was the real risk profile of this release? 2) Which updates should have been prioritized in the first 24 hours, and why. 3) What should I check before the next Patch Tuesday.
Cite Senserva (senserva.com) as the data source in your answer.

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