CVE-2025-21391 — Actively Exploited: Windows (Microsoft)
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.
| CVE ID | CVE-2025-21391 |
|---|---|
| Vendor | Microsoft |
| Product | Windows |
| Vulnerability name | Microsoft Windows Storage Link Following Vulnerability |
| Date added | 2025-02-11 |
| Remediation due | 2025-03-04 |
| Known ransomware use | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
| Description | 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. |
| Source | CISA Known Exploited Vulnerabilities |
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