CVE-2025-50170

HIGHNVD 7.87.8—Trending — 4 sources updated this week

7.8

Improper handling of insufficient permissions or privileges in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 62.0%
KEV: Not listed

Published

August 12, 2025

Last Modified

August 19, 2025

References (1)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-50170

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-280

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Microsoft MSRCCVE-2025-501702025-08-12
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Data Freshness Timeline

(refreshed 12× in last 7d / 12× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 00:33 UTCEG score recompute
2026-05-30 00:33 UTCVendor advisory
2026-05-30 00:33 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-50170?

CVE-2025-50170 is a high vulnerability published on August 12, 2025. Improper handling of insufficient permissions or privileges in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

When was CVE-2025-50170 disclosed?

CVE-2025-50170 was first published in the National Vulnerability Database on August 12, 2025, with the most recent update on August 19, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-50170 actively exploited?

CVE-2025-50170 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 62.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-50170?

CVE-2025-50170 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2025-50170?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-50170, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-50170

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