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Windows Patch Fixes Exploited RasMan DoS Flaw

Esecurityplanet • February 11, 2026

Although not an RCE or privilege escalation flaw, CVE-2026-21525 underscores how availability vulnerabilities in core infrastructure components can ...

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Microsoft Patches CVE-2026-21525 Affecting Windows VPN Services Microsoft has released a patch for CVE-2026-21525, a vulnerability in the RasMan component that can crash Windows VPN services and disrupt remote access. This flaw has been actively exploited, prompting its addition to the CISA KEV list on February 10, 2026. 3 sources 31

Extracted Entities

Windows Patch Fixes Exploited RasMan DoS Flaw

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Extracted Entities

Attack Types (2)

CVEs (1)

Platforms (1)