No access to your tenant or devices. Every item links to its source. What this means
CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.
Microsoft Windows Storage contains a link following vulnerability that could allow for privilege escalation. This vulnerability could allow an attacker to delete data including data that results in the service being unavailable.
Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.
Cite this versionUp to 100 recent field edits are shown; older edits may be outside retention.
Explore global source statements, affected packages and advisory history for CVE-2025-21391. The catalog has a separate collection scope from Microsoft release records.
Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.
CVE-2025-21391 · CVE overview and exploitation status