CVE-2026-46410

Description

FileBrowser Quantum: unauthenticated user share share info

Overview

State

—

Assigner (CNA)

—

CVSS severity

high

CVSS score

7.5 / 10

CVSS vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Effective score

7.5 / 10 HIGH source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2026-46410

Linked Threat

CVE-2026-46410 — CVE-2026-46410

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2026-45952

EUVD enrichment is queued; refresh the page in a few seconds.

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (2)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• https://nvd.nist.gov/vuln/detail/CVE-2026-46410 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2026-46410 tenable:www.cve.org

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

• Microsoft Defender CVE-2026-41091 and CVE-2026-45498 Exploited
  web:blog.gridinsoft.com

  Microsoft has confirmed exploitation of two Microsoft Defender vulnerabilities fixed in the May 2026 security update cycle. CVE - 2026 -41091 is an elevation-of-privilege flaw in the Microsoft Malware Protection Engine, while CVE - 2026 -45498 is a denial-of-service flaw in the Microsoft Defender Antimalware Platform . The first bug matters more for incident response because a local authorized ...

  2026-05-26 02:56 UTC
• Microsoft and Adobe Patch Tuesday, April 2026 Security Update Review
  web:blog.qualys.com

  With Qualys Policy Audit's out-of-the-box mitigation or Compensatory Controls, which reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done immediately, these security controls are not recommended by any industry standards, such as CIS and DISA-STIG.

  2026-05-26 02:56 UTC
• CISA Warns of Exploited Microsoft Defender 0-Day Flaws
  web:cyberpress.org

  The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .

  2026-05-26 02:56 UTC
• Microsoft Defender Vulnerabilities Added to CISA KEV (CVE-2026-41091 ...
  web:op-c.net

  CISA has added two Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities catalog following evidence of active exploitation. The vulnerabilities, tracked as CVE - 2026 -41091 and CVE - 2026 -45498, affect core Microsoft Defender components used to protect Windows endpoints. CISA added both vulnerabilities to KEV on May 20, 2026 , with a federal remediation due date of June 3, 2026 .

  2026-05-26 02:56 UTC
• Security Update Guide - Microsoft
  web:portal.msrc.microsoft.com

  The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

  2026-05-26 02:56 UTC
• Microsoft Warns of Two Actively Exploited Defender Vulnerabilities
  web:thehackernews.com

  Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild. The former, tracked as CVE - 2026 -41091, is rated 7.8 on the CVSS scoring system. Successful exploitation of the flaw could allow an attacker to gain SYSTEM privileges. "Improper link resolution before file access ('link following') in Microsoft Defender ...

  2026-05-26 02:56 UTC
• Microsoft Patches Two Actively Exploited Defender Zero-Days on Windows
  web:windowsreport.com

  Microsoft patched two actively exploited Defender zero-days affecting Windows systems and security components.

  2026-05-26 02:56 UTC
• Microsoft Defender vulnerabilities exploited in the wild (CVE-2026 ...
  web:www.helpnetsecurity.com

  Attackers are actively exploiting two Microsoft Defender vulnerabilities ( CVE - 2026 -41091 and CVE - 2026 -45498), Microsoft acknowledged.

  2026-05-26 02:56 UTC
• Oracle Critical Patch Update Advisory - April 2026
  web:www.oracle.com

  This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

  2026-05-26 02:56 UTC
• Patch Tuesday May 2026: Security Updates & CVE Analysis
  web:zecurit.com

  Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

  2026-05-26 02:56 UTC

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