Vulnerability intelligence

CVE-2020-17103

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

CVSS Score

7

High

EPSS — Exploit Probability

27%

Riskier than 98% of all CVEs

Exploitation

Not in CISA KEV

No federal exploitation record

Remediation

Patch available

Vendor fix published

NVD entry Vendor patch PoC / advisory

4 articles across 4 outlets · first covered May 18, 2026 · latest May 19, 2026

Tracked incidents

vulnerability open 2 articles

Microsoft Defender zero-day CVE-2026-33825 exploited in ransomware attacks

Coverage timeline

Windows Zero-Day Barrage Continues After Patch Tuesday
www.darkreading.com · May 19, 2026
MiniPlasma exploit revives Windows privilege flaw CVE-2020-17103
www.securityweek.com · May 18, 2026
MiniPlasma PoC revives CVE-2020-17103 flaw on fully patched Windows
securityaffairs.com · May 18, 2026
MiniPlasma PoC reveals unpatched Windows privilege escalation flaw
thehackernews.com · May 18, 2026