Critical Alert 4 Active Exploits Detected Today

CVE-2026-19490 — Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability →
CVE-2025-25249 — Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability →
CVE-2026-87491 — Google Chromium V8 Out of Bounds Write Vulnerability →
CVE-2026-20079 — Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability →
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September 10, 2026

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CVE-2026-41091NVD

Vulnerability Summary

Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to elevate privileges locally.
Severity Level
HIGH(7.8)
Published Date
May 20, 2026
Last Modified
Jul 24, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
9.64%Probability
Root Weakness (CWE)
CWE-59: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

External References