CVE-2025-21391 — Microsoft Windows Storage Link Following Vulnerability
Severity: Critical · Kind: Vulnerability
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From the source
Microsoft Windows. 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. Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vulnerability facts
- CVE
- CVE-2025-21391
- On CISA KEV since
- 2025-02-11
- Ransomware use
- Unknown
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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.