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CVE-2026-80071

User Registration & Membership < 5.2.8 - Author+ Privilege Escalation to Administrator

The User Registration & Membership WordPress plugin before 5.2.8 does not properly restrict who may author a membership plan or validate the plan a user attaches to their own account, allowing authenticated users with Author-level access and above to assign themselves an arbitrary role and escalate their privileges to Administrator.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
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CVE-2026-77773

Social Contact Form (FormyChat) < 2.15.8 - Unauthenticated Gravity Forms Entry Disclosure via formychat_get_gf_entry

The Contact Form to Chat Apps | Click to Chat to Order WordPress plugin before 2.15.8 does not perform any capability, nonce or session check on one of its public AJAX actions, allowing unauthenticated users to read the submitted entries of any form created with a supported third-party form Contact Form to Chat Apps | Click to Chat to Order WordPress plugin before 2.15.8.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-86406

User Registration & Membership < 5.2.8 - Subscriber+ Privilege Escalation via Membership Purchase

The User Registration & Membership WordPress plugin before 5.2.8 does not check the capability of the user making a membership purchase, and does not validate the payment method or the plan submitted with it, allowing any authenticated user such as a subscriber to be granted the WordPress role attached to a paid plan without paying for it. Where the site owner has mapped a plan to a privileged role, this leads to privilege escalation up to administrator.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
CVE-2026-49030

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.

CVSS n/a EPSS n/a KEV · Not listed
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CVE-2026-83991

Windows Cloud Files Mini Filter Driver Tampering Vulnerability

Missing authentication for critical function in Windows Cloud Files Mini Filter Driver allows an authorized attacker to perform tampering locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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CVE-2026-83999

Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
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CVE-2026-78453

Microsoft Windows SCSI Class System File Information Disclosure Vulnerability

Integer underflow (wrap or wraparound) in Microsoft Windows SCSI Class System File allows an unauthorized attacker to disclose information over a network.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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