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CVE-2025-24984 Microsoft CVE debrief

CVE-2025-24984 is a Microsoft Windows NTFS information disclosure vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2025-03-11. Because it is on the KEV list, defenders should treat it as a confirmed-exploitation issue and prioritize remediation using vendor guidance and available mitigations.

Vendor
Microsoft
Product
Windows
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2025-03-11
Original CVE updated
2025-03-11
Advisory published
2025-03-11
Advisory updated
2025-03-11

Who should care

Windows administrators, endpoint security teams, SOC analysts, vulnerability management teams, and cloud/service owners running Microsoft Windows systems that use NTFS should prioritize this CVE, especially in environments where remediation must be completed by the CISA KEV due date of 2025-04-01.

Technical summary

The supplied corpus identifies the issue as an NTFS information disclosure vulnerability in Microsoft Windows. No additional technical details, CVSS score, or affected-version breakdown are provided in the supplied sources. The key operational fact is that CISA lists it in KEV, which means known exploitation has been observed and remediation should be prioritized.

Defensive priority

High. KEV inclusion and the 2025-04-01 due date make this a priority remediation item even though the supplied data does not include a CVSS score.

Recommended defensive actions

  • Review Microsoft’s MSRC guidance for CVE-2025-24984 and apply the recommended update or mitigation as soon as possible.
  • Prioritize affected Windows systems that rely on NTFS, including internet-facing, high-value, and broadly deployed endpoints and servers.
  • Track remediation progress against the CISA KEV due date of 2025-04-01 and verify completion before that deadline.
  • If mitigations are unavailable for a deployment, follow CISA guidance to discontinue use of the product or service until protection is available.
  • For cloud services and managed environments, follow applicable BOD 22-01 guidance and coordinate with the relevant service owner or provider.
  • Validate that patching or mitigation was successful by confirming the affected systems are no longer reported as vulnerable in your inventory or scanner results.

Evidence notes

CISA’s KEV catalog lists CVE-2025-24984 with vendorProject Microsoft, product Windows, dateAdded 2025-03-11, dueDate 2025-04-01, and knownRansomwareCampaignUse marked Unknown. The source-item metadata points to Microsoft’s MSRC update guide for the CVE and to the NVD detail page, but the supplied corpus does not include technical exploit details or affected-version specifics.

Official resources

Public debrief based on official CVE/CISA catalog metadata and the supplied source corpus; no exploit instructions or non-public details included.